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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

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