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Available sections:
- SP Processor Faults
- VP Processor Faults
- CP Processor Faults
- Discreet Adapter Boards
- Digital Reference Adapter Boards
- Multi-Communications Adapter Boards
- Node Adapter Board
For more detailed information refer to the Bulletin 1395 Troubleshooting Manual Pub 1395-5.45
The following table lists the SP processor faults. In general, most System Processor faults indicate that an internal processor error somwhere in the 1395 system has occured.
| Code | Name | Type | Description |
| SP-00 | Ill Fault | War | Internal processor error was detected and corrected |
| SP-01 | Main Board OK | Default State Processor is not in a faulted state | |
| SP-10 | Queue Bad Dest | War | Internal processor error was detected and corrected |
| SP-11 | Queue Bad Tag | War | Internal processor error was detected and corrected |
| SP-14 | Queue RX Msg Index | War | Internal processor error was detected and corrected |
| SP-15 | Queue TX Msg Index | War | Internal processor error was detected and corrected |
| SP-16 | VP Write Fault | War | Internal processor error was detected and corrected |
| SP-17 | CP Write Fault | War | Internal processor error was detected and corrected |
| SP-18 | PB Write Fault | War | Internal processor error was detected and corrected |
| SP-19 | PA Write Fault | War | Internal processor error was detected and corrected |
| SP-20 | VP Read Fault | War | Internal processor error was detected and corrected |
| SP-21 | CP Read Fault | War | Internal processor error was detected and corrected |
| SP-22 | PB Read Fault | War | Internal processor error was detected and corrected |
| SP-23 | PA Read Fault | War | Internal processor error was detected and corrected |
| SP-24 | Recv Timeout | War | Internal processor error was detected and corrected |
| SP-25 | Bad Channel Value | Soft | Internal processor errer detected |
| SP-30 | EEProm Non or Empty | Soft | EEProm is not installed, initiated, or is corrupted |
| SP-32 | EEprom Verify | Soft | Data write to EEProm cannot be accomplished |
| SP-35 | Handshake VP | Hard | Internal communication between processors has failed |
| SP-38 | Handshake PB | Hard | Internal communication between SP and Port B adapter failed |
| SP-39 | Handshake PA | Hard | Internal communication between SP and Port A adapter failed |
| SP-43 | Port Configd | Soft | Adapter bd not installed which has parameters linked to it |
| SP-50 | Mode VP/CP Timeout | Hard | Communication between processors has malfunctioned |
| SP-51 | Mode PB Timeout | Hard | Communication between SP and Port B has malfunctioned |
| SP-52 | Mode PA Timeout | Hard | Communication between SP and Port A has malfunctioned |
| SP-53 | Processor VP Faulted | Hard | The Velocity Processor is in a faulted state |
| SP-54 | Processor PB Faulted | Soft | Port B adapter is in a faulted state |
| SP-55 | Processor PA Faulted | Soft | Port A adapter is in a faulted state |
| SP-56 | Illegal Mode Request | Soft | Internal processor communication error detected |
| SP-57 | Loc Mode Serial Timeout | Soft | Serial Communication interrupt to 1300 terminal while in LOCAL control |
| SP-58 | Task Timeout | Hard | Internal processor error detected |
| SP-60 | Processor VP Hard | Hard | Velocity processor is in a hard fault state and non-operational |
| SP-61 | Processor CP Hard | Hard | Current processor is in a hard fault state and non-operational |
| SP-62 | Processor PB Hard | Hard | Port B processor is in a hard fault and non-operational |
| SP-63 | Processor PA Hard | Hard | Port A processor is in a hard fault and non-operaional |
| SP-64 | VP/CP Flt Mode, No Status | Soft | Internal processor communication error detected |
| SP-65 | PA Flt Mode, No Status | Soft | Internal communication between the SP and Port B adapter failed |
| SP-66 | PA Flt Mode, No Status | Soft | Internal communication between the SP and Port A adapter failed |
| SP-83 | Diag EEprom | Soft | EEprom checksum is incorrect |
| SP-85 | Diag VP Mbus | Hard | Internal processor error during power-up |
| SP-86 | Diag Adapter B Mbus | Hard | Internal communication error between SP and Port B during power-up |
| SP-87 | Diag Adapter A Mbus | Hard | Internal communication error between SP and Port A during power-up |
| SP-90 | Serial WDG Warning | War | Internal processor error detected and corrected |
| SP-91 | Serial WDG Soft | Soft | Internal processor error detected |
The following tables list the VP processor faults. The VP is responsible for fault monitoring of control variables throughout the device. This includes monitoring velocity control, armature and field outputs to the motor, incoming line conditions, and communication to the SP and CP.
| Code | Name | Type | Description |
| VP-10 | Feedback Loss | Sel | Velocity Fdbk < Tach Loss Vel & CEMF > Tach Loss CEMF |
| VP-12 | Absolute overspeed | Soft | Motor velocity exceeds max speed limits |
| VP-13 | Motor field tolerance | Soft | Field current fdbk < 50% of reference for time specified |
| VP-14 | SCR overtemp | Sel | SCR Heat Sink thermoswitch open |
| VP-15 | External overtemp | Sel | Discreet Input TB3 - 1+2, typically motor thermoswitch, open |
| VP-16 | Thermal overload pending | War | Armature current exceeds overload level setting |
| VP-17 | Thermal overload tripped | Sel | Armature current has exceeded overload limits over a time period |
| VP-18 | Motor stalled | Sel | Armature at current limit and speed at zero for a set time |
| VP-19 | Contactor failure | Soft | DC contactor did not respond within 1 second |
| VP-20 | AC Voltage | Sel | AC Line voltage excced +15% or -20% of rated line |
| VP-21 | Handshake with SP | Hard | Internal communication between processors failed |
| VP-22 | Handshake with CP | Hard | Internal communication between processors failed |
| VP-23 | SP Mode Request not honored | Hard | Internal communication between processors failed |
| VP-24 | CP not in VP requested mode | Hard | Internal communication between processors failed |
| VP-31 | Arm bridge overload trip | Sel | Arm current exceeds predetermined overload curve |
| VP-32 | Motor field loss | Field current reference greater than field current | |
| VP-34 | Waiting safe arm voltage | Sel | CEMF is too high to allow fwd to rev bridge change |
| VP-35 | Waiting zero arm current | Sel | Arm current does not go to zero when a bridge change is commanded |
| VP-36 | Excess arm voltage | War | CEMF too high to allow more armature current |
| VP-39 | Arm bridge overload pending | War | Average arm current exceeds 105% of nameplate |
| VP-40 | Autotune status fault | Soft | Internal processor error detected during Autotune |
| VP-41 | Autotune logic state | Soft | Internal processor error detected during Autotune |
| VP-43 | Invalid taper speed | Soft | Start speed taper speed si less than autotune speed |
| VP-44 | Invalid torque mode | Soft | Torque mode is incorrect for commanded autotune function |
| VP-45 | Autotune start timeout | Soft | Start is not initiated within 30 seconds after autotune command |
| VP-46 | Excess motor rotation | Soft | Excess motor shaft movement during CP measure function |
| VP-47 | CP not in Autotune | Soft | CP is not responding to Autotune request |
| VP-48 | Motor not up to speed | Soft | Motor velocity has deviated from autotune speed |
| VP-49 | CEMF Unstable | Soft | Measured CEMF not stable during field flux measurement |
| VP-50 | Profile Timeout | Velocity autotune profile did not complete within 5 minutes | |
| VP-51 | No current limit on accel | Autotune test failed on accel portion of profile | |
| VP-52 | No current limit on decel | Autotune test failed on decel portion of profile | |
| VP-53 | Contactor Control | Autotune current loop test aborted due to contactor |
The following table lists the CP processor faults. The current processor is responsible for fault monitoring of the armature and field bridges in the drive. This includes monitoring the armature and field currents to the motor, power components, incoming synchronization, and communications to the VP.
| Code | Name | Type | Description |
| CP-02 | Bckgnd scheduler fault | Hard | Internal Processor error detected |
| CP-04 | Interrupt Timeout | Hard | Internal Processor error detected |
| CP-05 | Logic power supply loss | Soft | 5V or +12V logic supply is out of tolerance |
| CP-06 | Phase loss | Soft | One or more phases of incoming 3 phase power is open |
| CP-07 | Overcurrent trip | Soft | 4 times rated arm bridge current occured |
| CP-08 | AC overcurrent trip | Soft | 4 times rated arm bridge current occured in AC lines |
| CP-09 | DC overcurrent trip | Soft | 4 times rated arm bridge current occured in DC connection to motor |
| CP-11 | Zero cross chan | Soft | Internal hardware error detected |
| CP-13 | Sync Loss | Soft | 10 consecutive failures to sync to the AC line has occured |
| CP-14 | Filed Origin | Soft | An internal hardware error |
| CP-15 | 24V power supply loss | Soft | 24V supply detected below 18V |
| CP-16 | Autotune fault | Soft | Internal error detected during autotune |
| CP-17 | Overcurrent reset fault | Soft | Internal hardware error detected |
| CP-18 | Arm current unbalanced | Soft | Armature current has excessive ripple |
| CP-19 | Short CKT through bridge | Soft | >25% rated bridge current detected when contactor is open |
| CP-31 | Integrate Reset | Hard | Internal Hardware error detected |
| CP-32 | A/D Timeout | Soft | Internal Hardware error detected |
| CP-33 | A/D Busy | Soft | Internal Hardware error detected |
| CP-34 | End stop timing | Soft | Internal Hardware error detected |
| CP-35 | System Tripped | Soft | Internal Hardware error detected |
| CP-40 | FIFO flush | Soft | Internal processor error detected |
| CP-41 | CAM full | Soft | Internal processor error due to possible "phantom" phase loss |
| CP-42 | FIFO overflow | Soft | Internal processor error detected |
| CP-43 | FIFO empty | Soft | Internal processor error detected |
| CP-46 | Too many Pos Xing | Soft | Too many positive AC line zero crossings detected |
| CP-47 | Positive Xing | Soft | Incorrect positive AC line crossing detected |
| CP-48 | Too many Neg Xing | Soft | Too many negative AC line zero crossings detected |
| CP-49 | Negative Xing | Soft | Incorrect negative AC line crossing detected |
| CP-50 | RX Msg Index | War | Internal processor error detected and corrected |
| CP-52 | No Msg Ready | War | Internal processor error detected and corrected |
| CP-58 | Illegal mode seq | Soft | Internal processor error detected |
| CP-60 | Phase Missed | Soft | Detection of AC line zero crossing missed |
| CP-61 | Period Variation | Soft | Period of AC line varied more than 0.4ms during power up |
| CP-62 | Period Limit | Soft | AC line is outside 45-65hz operating limit |
| CP-63 | Fire Delay | Soft | Internal hardware error detected |
| CP-65 | Phase out of spec | Soft | AC lines do not have 120° phase relationship |
| CP-66 | Firing Sequence | Soft | Internal Hardware error detected |
| CP-90 | SCR test arm voltage | Soft | Excessive arm voltage existed prior to SCR test |
| CP-91 | SCR Test arm current | Soft | Excessive arm current existed prior to SCR test |
| CP-92 | SCR test aborted | Soft | STOP command received during open SCR test |
| CP-93 | SCR test ECOAST | Soft | ECOAST input opened during SCR test |
| CP-94 | Armature voltage reversed | Soft | Internal arm voltage sense wrong due to internal wiring error |
| CP-96 | AC line unbalance | Soft | AC line voltage inbalance greater than 10% exists |
| CP-97 | Line balance test | Soft | Internal error detected during AC line balance test |
| CP-98 | SCR field cur low | Soft | Field current feedback not within 6.25% of reference during SCR test |
| CP-100 | SCR test fault | Soft | Internal hardware error detected during SCR test |
| CP-101 | SCR #1F or #4R shorted | Soft | #1 SCR of fwd bridge or #4 of rev bridge is shorted |
| CP-102 | SCR #2F or #5R shorted | Soft | #2 SCR of fwd bridge or #5 of rev bridge is shorted |
| CP-103 | SCR #3F or #6R shorted | Soft | #3 SCR of fwd bridge or #6 of rev bridge is shorted |
| CP-104 | SCR #4F or #1R shorted | Soft | #4 SCR of fwd bridge or #1 of rev bridge is shorted |
| CP-105 | SCR #5F or #2R shorted | Soft | #5 SCR of fwd bridge or #2 of rev bridge is shorted |
| CP-106 | SCR #6F or #3R shorted | Soft | #6 SCR of fwd bridge or #3 of rev bridge is shorted |
| CP-107 | SCR #1F did not coduct | Soft | #1F SCR of fwd bridge open during SCR test |
| CP-108 | SCR #2F did not coduct | Soft | #2F SCR of fwd bridge open during SCR test |
| CP-109 | SCR #3F did not coduct | Soft | #3F SCR of fwd bridge open during SCR test |
| CP-110 | SCR #4F did not coduct | Soft | #4F SCR of fwd bridge open during SCR test |
| CP-111 | SCR #5F did not coduct | Soft | #5F SCR of fwd bridge open during SCR test |
| CP-112 | SCR #6F did not coduct | Soft | #6F SCR of fwd bridge open during SCR test |
| CP-113 | SCR #1R did not coduct | Soft | #1R SCR of rev bridge open during SCR test |
| CP-114 | SCR #2R did not coduct | Soft | #2R SCR of rev bridge open during SCR test |
| CP-115 | SCR #3R did not coduct | Soft | #3R SCR of rev bridge open during SCR test |
| CP-116 | SCR #4R did not coduct | Soft | #4R SCR of rev bridge open during SCR test |
| CP-117 | SCR #5R did not coduct | Soft | #5R SCR of rev bridge open during SCR test |
| CP-118 | SCR #6R did not coduct | Soft | #6R SCR of rev bridge open during SCR test |
| CP-119 | Fwd SCRs did not conduct | Soft | All the SCRs of fwd bridge did not conduct during SCR test |
| CP-120 | Rev SCRs did not conduct | Soft | All the SCRs of rev bridge did not conduct during SCR test |
| CP-121 | Open armature circuit | Soft | Current could not be detected in either bridge during SCR test |
Discrete Adapter Boards
The following table lists the fault codes associated wtih a 115V or 24V discrete adapter board. Discrete adapter boards provide an interface between external devices and the 1395 main control board.| Code | Name | Type | Description |
| DS-01 | Discrete OK | Indicates no faults are present in the adapter | |
| DS-31 | Illegal Fault | Hard | Internal Adapter error has occured |
| DS-54 | Handshake | Soft | Communication between the main control board and adapter has failed |
| DS-64 | Illegal Mode | Soft | Main control board commanded an illegal mode for this adapter |
Digital Reference Adapter Board
The following table lists the fault codes associated with the Digital Reference Adapter. The digital reference adapter provides an interface between external devices and the 1395 main Control Board.
| Code | Name | Type | Description |
| GA-01 | Dig Ref OK | Indicates no faults are present in the adapter | |
| GA-60 | Illegal mode | Soft | Indicates an internal adapter error |
| GA-70 | DP Handshake | Soft | Communication between the main control board and adapter has failed |
| GA-71 | Mbus RAM test | Soft | Main control board commanded an illegal mode for this adapter |
| GA-81 | Digital Reference output clamp | War | Output is above max value causing erroneous operation |
| GA-82 | Low 24V power supply | War | Remote 24V supply has failed |
| GA-83 | Two/More Inp to same bit | Soft | Only one input can be assigned to a bit |
Digital Reference Adapter LED Status
The following table shows the status of the LED indicators on the Digital Reference Board.
| LED Name | Color | Function |
| DS1 | Green | +12 V Supply Operational |
| DS2 | Green | -12 V Supply Operational |
| DS3 | Green | Processor Functional |
| DS4 | Green | External 24 V Supply Functional |
| DSI1 | Green | Digital In # 1 |
| DSI2 | Green | Digital In # 2 |
| DSI3 | Green | Digital In # 3 |
| DSI4 | Green | Digital In # 4 |
| DSI5 | Green | Digital In # 5 |
| DSI6 | Green | Digital In # 6 |
| DSI7 | Green | Digital In # 7 |
| DSI8 | Green | Digital In # 8 |
| DSI9 | Green | Digital In # 9 |
| DSI10 | Green | Digital In # 10 |
| DSO1 | Green | Digital Out # 1 |
| DSO2 | Green | Digital Out # 2 |
| DSO3 | Green | Digital Out # 3 |
| DSO4 | Green | Digital Out # 4 |
| DSO5 | Green | Digital Out # 5 |
Multi-Communications Adapter Board
The following table lists the faults associated with the multi-communication board. The multi-communications adapter provides a communication interface between the 12395 main control board and PLC controllers and other equipment.
| Code | Name | Type | Description |
| CA-10 | Illegal Protocol CHA | Soft | Incorrect dip switch setting |
| CA-11 | Illegal Protocol CHB | Soft | Incorrect dip switch setting |
| CA-12 | Illegal baud rate CHA | Soft | Incorrect dip switch setting |
| CA-13 | Illegal baud rate CHB | Soft | Incorrect dip switch setting |
| CA-14 | Illegal rack size CHA | Soft | Incorrect dip switch setting |
| CA-15 | Illegal rack size CHB | Soft | Incorrect dip switch setting |
| CA-16 | Illegal RIO redund Cnfg | Soft | Channel B not RIO protocol, Both channels must be RIO |
| CA-20 | Red RIO, Diff rack size | Soft | Channel A and B not same rack size |
| CA-30 | Adapter processor fault | Hard | Internal diagnostic malfunction |
| CA-31 | Adapter processor fault | Hard | Internal diagnostic malfunction |
| CA-32 | Adapter processor fault | Hard | Internal diagnostic malfunction |
| CA-35 | Add Func Blk Overflow | War/Soft | Add function block output value has overflowed |
| CA-36 | Multi Func Blk Overflow | War/Soft | Multiplication block output has overflowed |
| CA-37 | Mult2 Func Blk Overflow | War/Soft | Multi 2 function block output has overflowed |
| CA-43 | Adapter Processor fault | War | Internal message handling error |
| CA-44 | Adapter Processor fault | Hard | Internal diagnostic malfucntion |
| CA-45 | Adapter Processor fault | Hard | Internal diagnostic malfucntion |
| CA-50 | Adapter Processor fault | Hard | Internal diagnostic malfucntion |
| CA-51 | Adapter Processor fault | Hard | Internal diagnostic malfucntion |
| CA-52 | Adapter Processor fault | Hard | Internal diagnostic malfucntion |
| CA-53 | Channel A BT Fail | War | Unable to complete RIO block transfer |
| CA-54 | Channel B BT Fail | War | Unable to complete RIO block transfer |
| CA-64 | Adapter Processor fault | Hard | Internal diagnostic malfunction |
| CA-65 | Adapter Processor fault | Hard | Internal diagnostic malfunction |
| CA-66 | Adapter Processor fault | Hard | Internal diagnostic malfunction |
| CA-67 | Adapter Processor fault | Hard | Internal diagnostic malfunction |
| CA-70 | Reset/Program/Test CHA | War/Soft | PLC was switched from run mode to another mode |
| CA-71 | RIO comm loss CHA | War/Soft | Loss of communication between adapter and PLC |
| CA-75 | Dup Node Addr CHA | War/Soft | One or more nodes with same address on DH+ network |
| CA-76 | Global Data Node Loss CHA | War/Soft | Global data being received has ceased |
| CA-77 | Comm Loss, Network Dead CHA | Soft | Network Communication has ceased |
| CA-85 | Reset/Program/Test CHB | War/Soft | PLC was switched from run mode to another mode |
| CA-86 | RIO Comm Loss CHB | War/Soft | Loss of communication between adapter and PLC |
| CA-90 | Dup Node Addr CHB | War/Soft | One or more nodes with same address on DH+ network |
| CA-91 | Global Data Node Loss CHB | War/Soft | Global data being received has ceased |
| CA-92 | Comm Loss, Network Dead CHB | Soft | Network Communication has ceased |
Multi-communications adapter LED status
The following tables shows the status of the LED indicators on the Multi-Communications Adapter
| Comm | CHA | CHB | LED State | Function |
| RIO | DS2 | DS3 | Green | Normal PLC Communications |
| Off | No communication to the PLC controller | |||
| Blinking Green | PLC is in Reset/Program/Test mode | |||
| Blinking Red | PLC has rack inhibited | |||
| DH+ | DS2 | DS3 | Yellow | Normal DH+ communications |
| Off | MCA board faulted | |||
| Blinking Yellow | No communications over DH+ | |||
| Blinking Red | Duplicate node address on DH+ link |
| LED | State | Function |
| DS1 | LED Green | Normal Adapter Operation |
| LED Off | Adapter is Faulted | |
| DS4 | LED Off | Discrete Input is Low |
| LED Green | Discrete Input is High |
Node Adapter Board
The following table lists the fault codes for the Node Adapter Option Board. The Node Adapter board provides the communications link for RIO between PLC equipment and the 1395 Main Control Board. No Type is associated with these faults.
| Code | Name | Description |
| NA-01 | Node Adapter Processor OK | Indicates no faults are present, the adapter is functional |
| NA-06 | Handshake Timeout | Communication failed between Adapter and Main Control Board |
| NA-08 | No COMSOF | Communication failed between Adapter and PLC |
| NA-09 | Illegal Mode Sequence | Incorrect Mode detected |
| NA-10 | No Image Input | Communication failed between Adapter and PLC |
| NA-11 | Output Image Lost | Communication failed between Adapter and PLC |
| NA-12 | SIU Buffer Overflow | Communication failed between Adapter and PLC |
| NA-13 | PLC Command Illegal | Communication failed between Adapter and PLC |
| NA-14 | Block Transfer Type | Communication failed between Adapter and PLC |
| NA-15 | Block Transfer Length | Communication failed between Adapter and PLC |
| NA-16 | No Comm Received | Communication failed between Adapter and PLC |
| NA-17 | Idle Line Lost | Communication failed between Adapter and PLC |
| NA-18 | Unreq Block Transfer | Communication failed between Adapter and PLC |
| NA-19 | Comm Lost State | Communication failed between Adapter and PLC |
| NA-20 | Reset/Program/Test | PLC was switched from run mode to another mode |
| NA-24 | IL Rack Configure | Incorrect DIP switch settings |
| NA-25 | IL BT Request Value | Internal error during handling of a block transfer |
Node Adapter LED Status
The following table shows the status of the LED indicators on the Node adapter
| LED | State | Function |
| Processor Fault | LED Red | Node Adapter Processor Malfunction |
| LED Off | Normal Operation | |
| OK | LED Green | Normal PLC Communication |
| LED off | No Communication to the PLC | |
| LED Blinking Green | PLC is in Reset/Program/Test Mode |