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<onlyinclude>
Via the [[Gen2/Main Bike Board|MBB]] logs or the [[MBB Console|console]], emergency (EMCY) entries related to <code>SEVCON</code> will be CAN controller events from the [[Gen2/Motor Controller|Sevcon Gen4 drives]].
;Example logged events:
: via [http://electricmotorcycleforum.com/boards/index.php?topic=6548.msg57769#msg57769 Re: Sudden braking followed by no motor/throttle response on highway(2016 FXS)]
07004 06/03/2017 09:30:18 SEVCON CAN EMCY Frame Error Code: 0x5000, Error Reg: 0x40 Sevcon Error Code: 0x46c3, Data: 0x04 0x01 0x00 , Unknown
07005 06/03/2017 09:30:18 SEVCON CAN EMCY Frame Error Code: 0x 0, Error Reg: 0x00 Sevcon Error Code: 0x46c3, Data: 0x00 0x00 0x99 , Unknown
07006 06/03/2017 09:30:18 SEVCON CAN EMCY Frame Error Code: 0x5000, Error Reg: 0x40 Sevcon Error Code: 0x46c3, Data: 0x04 0x02 0x00 , Unknown
07007 06/03/2017 09:30:18 SEVCON CAN EMCY Frame Error Code: 0x 0, Error Reg: 0x00 Sevcon Error Code: 0x46c3, Data: 0x00 0x00 0x99 , Unknown
07008 06/03/2017 09:30:18 SEVCON CAN EMCY Frame Error Code: 0x5000, Error Reg: 0x40 Sevcon Error Code: 0x52c3, Data: 0x00 0x00 0x00 , Unknown
07009 06/03/2017 09:30:18 SEVCON CAN EMCY Frame Error Code: 0x5000, Error Reg: 0x40 Sevcon Error Code: 0x46c3, Data: 0x0c 0x10 0x00 , Unknown
07010 06/03/2017 09:30:18 Restarting Sevcon to clear cutout fault
07011 06/03/2017 09:30:18 Module 00 vmod: 112.127V, batt curr: 65498A
07012 06/03/2017 09:30:18 Module 01 vmod: 112.156V, batt curr: 65506A
07013 06/03/2017 09:30:19 Sevcon Turned Off
;CAN message examples
ID b0 b1 b2 b3 b4 b5 b6 b7
"81";"00 31 04 C3 4D 00 00 00"
"81";"00 31 14 C3 4D 00 00 00"
"81";"00 82 10 0F 53 02 00 00"
"82";"00 10 01 54 4F 00 40 00"
"82";"00 10 11 54 4F 00 40 00"
"82";"00 31 04 C2 51 00 00 00"
"82";"00 31 04 C2 51 00 04 00"
"82";"00 31 04 C3 4D 00 00 00"
"82";"00 31 05 C3 4D 00 00 00"
"82";"00 31 15 C3 4D 00 00 00"
"82";"30 81 10 0B 53 01 00 00"
;Bytes b1+b0 (switch bytes)
: Bytes b1+b0 (switch bytes) describes [[wikipedia:CANopen|CANopen]] error code according to [https://www.can-cia.org/standardization/specifications/ DS-301]
{| class='wikitable mw-collapsible mw-collapsed'
!Error code (hex) || Error description
|-
|00xx
|Error Reset / No Error
|-
|10xx
|Generic Error
|-
|2xxx
|Current
|-
|3xxx
|Voltage
|-
|4xxx
|Temperature
|-
|50xx
|Device Hardware
|-
|6xxx
|Device Software
|-
|70xx
|Additional Modules
|-
|8xxx
|Monitoring
|-
|90xx
|External Error
|-
|F0xx
|Additional Functions
|-
|FFxx
|Device Specific
|}
;Byte b2
: Byte b2 is error register, bit-wise coding, also according to DS-301
{| class='wikitable mw-collapsible mw-collapsed'
!Bit || Error cause
|-
|0
|Generic Error
|-
|1
|Current
|-
|2
|Voltage
|-
|3
|Temperature
|-
|4
|Communication Error
|-
|5
|Device Profile Specific
|-
|6
|Reserved (always 0)
|-
|7
|Manufacturer Specific
|}
;Bytes b5-b7
: If any of bytes b5-b7 are not 0x00 means error is set.
: If bytes b5-b7 are all 00 it means the error is reset.
: Might be only b6?
;Bytes b4+b3 (switched bytes)
: Bytes b4+b3 (switched bytes) describes Sevcon specific errors
{| class='wikitable mw-collapsible mw-collapsed'
!Code || Interpretation || Notes
|-
|0x2401 || Login
|-
|0x3441 || Host SW Upgrade
|-
|0x3442 || DSP SW Upgrade
|-
|0x34C1 || Watchdog Reset
|-
|0x45C1 || BDI Warning
|rowspan="2" | Battery Discharge Indicator's remaining charge is less than warning or cutout levels. Charge the battery.
|-
|0x45C2 || BDI Cutout
|-
|0x45C3 || Low battery
|-
|0x45C4 || High battery
|-
|0x45C5 || High capacitor
|-
|0x45C6 || Vbat below rated min
|Charge the battery! Or the B+ or B- terminals have been disconnected or damaged.
|-
|0x45C7 || Vbat above rated max
|The battery voltage is detected above 117V or 118V; discharge it through another safe load.
|-
|0x45C8 || Vcap above rated max
|-
|0x45C8 || Vcap above rated max
|-
|0x45C9 || Motor low voltage
|-
|0x45CA || Motor high voltage
|-
|0x4601 || Device too cold
|The controller (or motor?) needs to warm up before operating.
|-
|0x4602 || Device too hot
|The controller (or motor?) is too hot; reduce power to cool it down; check cooling fin bracket.
|-
|0x4603 || Motor in thermal c/b
|The motor's defined temperature limit has been exceeded so power cutbacks are engaging.
|-
|0x4681 || Preop
|-
|0x46C3 || Ride-Through Fault
|[[wikipedia:Low voltage ride through|Low-voltage ride through?]]
|-
|0x4781 || Anon EMCY
|-
|0x47C1 || Service Required
|-
|0x4881 || Seat
|-
|0x4882 || Two Dir Fault
|-
|0x4883 || SRO Fault
|-
|0x4884 || Sequence Fault
|-
|0x4885 || FS1 Recycle Fault
|-
|0x4941 || Low oil
|-
|0x4981 || Throttle Fault
|-
|0x4B81 || Anon EMCY
|-
|0x4C41 || Too Many Slaves
|-
|0x4DC3 || Supply Critical
|-
|0x4F01 || Bad State
|-
|0x4F02 || EMCY Fail
|-
|0x4F41 || Internal Fault
|-
|0x4F42 || Out of Memory
|-
|0x4F43 || General DSP Error
|-
|0x4F44 || Timer Error
|-
|0x4F45 || Queue Error
|-
|0x4F46 || Sched Error
|-
|0x4F47 || DSP Heartbeat
|-
|0x4F48 || IO SS Error
|-
|0x4F49 || GIO SS Error
|-
|0x4F4A || LCM SS Error
|-
|0x4F4B || LCP SS Error
|-
|0x4F4C || OBD SS Error
|-
|0x4F4D || VEHAPP SS Error
|-
|0x4F4E || DMC SS Error
|-
|0x4F4F || TracApp SS Error
|-
|0x4F50 || New PF Detected
|-
|0x4F51 || DSP not detected
|-
|0x4F52 || DSP Comms Error
|-
|0x4F53 || App Mgr SS Error
|-
|0x4F55 || DSP param
|-
|0x4F81 || Anon EMCY
|-
|0x5041 || Bad NVM Data
|-
|0x5042 || VPDO out of range
|-
|0x5043 || Param fixed range error
|-
|0x5044 || Param dyn range error
|-
|0x5081 || Invalid Steer Switches
|-
|0x5101 || Line Contactor o/c
|-
|0x5141 || Line Contactor welded
|-
|0x5181 || Dig In Wire Off
|-
|0x5182 || Alg In Wire Off
|-
|0x5183 || Alg Out Over I
|-
|0x5184 || Alg Out On with No FS
|-
|0x5185 || Alg Out Off with FS
|-
|0x51C1 || Power Supply Interrupt
|-
|0x51C2 || Precharge fail
|-
|0x52C1 || Encoder fault
|Check the encoder [[Z-Force Motor/Electrical Connections|wiring to the motor]]
|-
|0x52C3 || Current Control Fault
|Can't control the currents on the [[Z-Force Motor|motor]]. Check the motor load and wiring; check controller programming.
|-
|0x5301 || CANbus Fault
|-
|0x5302 || No Bootup
|-
|0x5303 || LPRX CAN
|-
|0x5304 || LPTX CAN
|-
|0x5305 || HPRX CAN
|-
|0x5306 || HPTX CAN
|-
|0x5307 || CAN Overrun
|-
|0x5308 || CAN Off
|-
|0x5309 || Nodeguard Error
|-
|0x530A || PDO Short
|-
|0x530B || HBeat Error
|-
|0x530C || CANopen Device State
|-
|0x530D || CAN Error State
|-
|0x530E || SDO Handle Error
|-
|0x530F || SDO Timeout
|-
|0x5310 || SDO Abort
|-
|0x5311 || SDO State Error
|-
|0x5312 || SDO Toggle Error
|-
|0x5313 || SDO Rx Error
|-
|0x5314 || SDO Length Error
|-
|0x5315 || SDO Tx Error
|-
|0x5316 || CANopen Ev Unknown
|-
|0x5317 || SDO Bad Source
|-
|0x5318 || SDO Bad Error No
|-
|0x5319 || Mtr Slv in Wrong State
|-
|0x5341 || Wrong DSP protocol
|-
|0x5342 || Osc WDog Tripped
|-
|0x5343 || Flt o/flow
|-
|0x5381 || Anon EMCY
|-
|0x54C1 || DSP Overvoltage
|-
|0x54C2 || DSP PF Fault
|-
|0x54C3 || Mosfet s/c M1 Top
|-
|0x54C4 || Mosfet s/c M1 Bottom
|-
|0x54C5 || Mosfet s/c M2 Top
|-
|0x54C6 || Mosfet s/c M2 Bottom
|-
|0x54C7 || Mosfet s/c M3 Top
|-
|0x54C8 || Mosfet s/c M3 Bottom
|-
|0x54C9 || Mosfet tests incomplete
|-
|0x5741 || Invalid Rating
|-
|0x5781 || Anon EMCY
|}
;Example
ID b0 b1 b2 b3 b4 b5 b6 b7
"82";"00 31 04 C2 51 00 04 00"
: Node id 2 sends emergency error.
: '''Error code:''' 0x3100 (b1+b0) meaning "Voltage" error category
: '''Error cause:''' 0x04 (b2) bit 2 set meaning "Voltage" error cause
: '''Sevcon error:''' 0x51C2 meaning "Precharge fail"
</onlyinclude>
[[Category:Diagnostics]]
Via the [[Gen2/Main Bike Board|MBB]] logs or the [[MBB Console|console]], emergency (EMCY) entries related to <code>SEVCON</code> will be CAN controller events from the [[Gen2/Motor Controller|Sevcon Gen4 drives]].
;Example logged events:
: via [http://electricmotorcycleforum.com/boards/index.php?topic=6548.msg57769#msg57769 Re: Sudden braking followed by no motor/throttle response on highway(2016 FXS)]
07004 06/03/2017 09:30:18 SEVCON CAN EMCY Frame Error Code: 0x5000, Error Reg: 0x40 Sevcon Error Code: 0x46c3, Data: 0x04 0x01 0x00 , Unknown
07005 06/03/2017 09:30:18 SEVCON CAN EMCY Frame Error Code: 0x 0, Error Reg: 0x00 Sevcon Error Code: 0x46c3, Data: 0x00 0x00 0x99 , Unknown
07006 06/03/2017 09:30:18 SEVCON CAN EMCY Frame Error Code: 0x5000, Error Reg: 0x40 Sevcon Error Code: 0x46c3, Data: 0x04 0x02 0x00 , Unknown
07007 06/03/2017 09:30:18 SEVCON CAN EMCY Frame Error Code: 0x 0, Error Reg: 0x00 Sevcon Error Code: 0x46c3, Data: 0x00 0x00 0x99 , Unknown
07008 06/03/2017 09:30:18 SEVCON CAN EMCY Frame Error Code: 0x5000, Error Reg: 0x40 Sevcon Error Code: 0x52c3, Data: 0x00 0x00 0x00 , Unknown
07009 06/03/2017 09:30:18 SEVCON CAN EMCY Frame Error Code: 0x5000, Error Reg: 0x40 Sevcon Error Code: 0x46c3, Data: 0x0c 0x10 0x00 , Unknown
07010 06/03/2017 09:30:18 Restarting Sevcon to clear cutout fault
07011 06/03/2017 09:30:18 Module 00 vmod: 112.127V, batt curr: 65498A
07012 06/03/2017 09:30:18 Module 01 vmod: 112.156V, batt curr: 65506A
07013 06/03/2017 09:30:19 Sevcon Turned Off
;CAN message examples
ID b0 b1 b2 b3 b4 b5 b6 b7
"81";"00 31 04 C3 4D 00 00 00"
"81";"00 31 14 C3 4D 00 00 00"
"81";"00 82 10 0F 53 02 00 00"
"82";"00 10 01 54 4F 00 40 00"
"82";"00 10 11 54 4F 00 40 00"
"82";"00 31 04 C2 51 00 00 00"
"82";"00 31 04 C2 51 00 04 00"
"82";"00 31 04 C3 4D 00 00 00"
"82";"00 31 05 C3 4D 00 00 00"
"82";"00 31 15 C3 4D 00 00 00"
"82";"30 81 10 0B 53 01 00 00"
;Bytes b1+b0 (switch bytes)
: Bytes b1+b0 (switch bytes) describes [[wikipedia:CANopen|CANopen]] error code according to [https://www.can-cia.org/standardization/specifications/ DS-301]
{| class='wikitable mw-collapsible mw-collapsed'
!Error code (hex) || Error description
|-
|00xx
|Error Reset / No Error
|-
|10xx
|Generic Error
|-
|2xxx
|Current
|-
|3xxx
|Voltage
|-
|4xxx
|Temperature
|-
|50xx
|Device Hardware
|-
|6xxx
|Device Software
|-
|70xx
|Additional Modules
|-
|8xxx
|Monitoring
|-
|90xx
|External Error
|-
|F0xx
|Additional Functions
|-
|FFxx
|Device Specific
|}
;Byte b2
: Byte b2 is error register, bit-wise coding, also according to DS-301
{| class='wikitable mw-collapsible mw-collapsed'
!Bit || Error cause
|-
|0
|Generic Error
|-
|1
|Current
|-
|2
|Voltage
|-
|3
|Temperature
|-
|4
|Communication Error
|-
|5
|Device Profile Specific
|-
|6
|Reserved (always 0)
|-
|7
|Manufacturer Specific
|}
;Bytes b5-b7
: If any of bytes b5-b7 are not 0x00 means error is set.
: If bytes b5-b7 are all 00 it means the error is reset.
: Might be only b6?
;Bytes b4+b3 (switched bytes)
: Bytes b4+b3 (switched bytes) describes Sevcon specific errors
{| class='wikitable mw-collapsible mw-collapsed'
!Code || Interpretation || Notes
|-
|0x2401 || Login
|-
|0x3441 || Host SW Upgrade
|-
|0x3442 || DSP SW Upgrade
|-
|0x34C1 || Watchdog Reset
|-
|0x45C1 || BDI Warning
|rowspan="2" | Battery Discharge Indicator's remaining charge is less than warning or cutout levels. Charge the battery.
|-
|0x45C2 || BDI Cutout
|-
|0x45C3 || Low battery
|-
|0x45C4 || High battery
|-
|0x45C5 || High capacitor
|-
|0x45C6 || Vbat below rated min
|Charge the battery! Or the B+ or B- terminals have been disconnected or damaged.
|-
|0x45C7 || Vbat above rated max
|The battery voltage is detected above 117V or 118V; discharge it through another safe load.
|-
|0x45C8 || Vcap above rated max
|-
|0x45C8 || Vcap above rated max
|-
|0x45C9 || Motor low voltage
|-
|0x45CA || Motor high voltage
|-
|0x4601 || Device too cold
|The controller (or motor?) needs to warm up before operating.
|-
|0x4602 || Device too hot
|The controller (or motor?) is too hot; reduce power to cool it down; check cooling fin bracket.
|-
|0x4603 || Motor in thermal c/b
|The motor's defined temperature limit has been exceeded so power cutbacks are engaging.
|-
|0x4681 || Preop
|-
|0x46C3 || Ride-Through Fault
|[[wikipedia:Low voltage ride through|Low-voltage ride through?]]
|-
|0x4781 || Anon EMCY
|-
|0x47C1 || Service Required
|-
|0x4881 || Seat
|-
|0x4882 || Two Dir Fault
|-
|0x4883 || SRO Fault
|-
|0x4884 || Sequence Fault
|-
|0x4885 || FS1 Recycle Fault
|-
|0x4941 || Low oil
|-
|0x4981 || Throttle Fault
|-
|0x4B81 || Anon EMCY
|-
|0x4C41 || Too Many Slaves
|-
|0x4DC3 || Supply Critical
|-
|0x4F01 || Bad State
|-
|0x4F02 || EMCY Fail
|-
|0x4F41 || Internal Fault
|-
|0x4F42 || Out of Memory
|-
|0x4F43 || General DSP Error
|-
|0x4F44 || Timer Error
|-
|0x4F45 || Queue Error
|-
|0x4F46 || Sched Error
|-
|0x4F47 || DSP Heartbeat
|-
|0x4F48 || IO SS Error
|-
|0x4F49 || GIO SS Error
|-
|0x4F4A || LCM SS Error
|-
|0x4F4B || LCP SS Error
|-
|0x4F4C || OBD SS Error
|-
|0x4F4D || VEHAPP SS Error
|-
|0x4F4E || DMC SS Error
|-
|0x4F4F || TracApp SS Error
|-
|0x4F50 || New PF Detected
|-
|0x4F51 || DSP not detected
|-
|0x4F52 || DSP Comms Error
|-
|0x4F53 || App Mgr SS Error
|-
|0x4F55 || DSP param
|-
|0x4F81 || Anon EMCY
|-
|0x5041 || Bad NVM Data
|-
|0x5042 || VPDO out of range
|-
|0x5043 || Param fixed range error
|-
|0x5044 || Param dyn range error
|-
|0x5081 || Invalid Steer Switches
|-
|0x5101 || Line Contactor o/c
|-
|0x5141 || Line Contactor welded
|-
|0x5181 || Dig In Wire Off
|-
|0x5182 || Alg In Wire Off
|-
|0x5183 || Alg Out Over I
|-
|0x5184 || Alg Out On with No FS
|-
|0x5185 || Alg Out Off with FS
|-
|0x51C1 || Power Supply Interrupt
|-
|0x51C2 || Precharge fail
|-
|0x52C1 || Encoder fault
|Check the encoder [[Z-Force Motor/Electrical Connections|wiring to the motor]]
|-
|0x52C3 || Current Control Fault
|Can't control the currents on the [[Z-Force Motor|motor]]. Check the motor load and wiring; check controller programming.
|-
|0x5301 || CANbus Fault
|-
|0x5302 || No Bootup
|-
|0x5303 || LPRX CAN
|-
|0x5304 || LPTX CAN
|-
|0x5305 || HPRX CAN
|-
|0x5306 || HPTX CAN
|-
|0x5307 || CAN Overrun
|-
|0x5308 || CAN Off
|-
|0x5309 || Nodeguard Error
|-
|0x530A || PDO Short
|-
|0x530B || HBeat Error
|-
|0x530C || CANopen Device State
|-
|0x530D || CAN Error State
|-
|0x530E || SDO Handle Error
|-
|0x530F || SDO Timeout
|-
|0x5310 || SDO Abort
|-
|0x5311 || SDO State Error
|-
|0x5312 || SDO Toggle Error
|-
|0x5313 || SDO Rx Error
|-
|0x5314 || SDO Length Error
|-
|0x5315 || SDO Tx Error
|-
|0x5316 || CANopen Ev Unknown
|-
|0x5317 || SDO Bad Source
|-
|0x5318 || SDO Bad Error No
|-
|0x5319 || Mtr Slv in Wrong State
|-
|0x5341 || Wrong DSP protocol
|-
|0x5342 || Osc WDog Tripped
|-
|0x5343 || Flt o/flow
|-
|0x5381 || Anon EMCY
|-
|0x54C1 || DSP Overvoltage
|-
|0x54C2 || DSP PF Fault
|-
|0x54C3 || Mosfet s/c M1 Top
|-
|0x54C4 || Mosfet s/c M1 Bottom
|-
|0x54C5 || Mosfet s/c M2 Top
|-
|0x54C6 || Mosfet s/c M2 Bottom
|-
|0x54C7 || Mosfet s/c M3 Top
|-
|0x54C8 || Mosfet s/c M3 Bottom
|-
|0x54C9 || Mosfet tests incomplete
|-
|0x5741 || Invalid Rating
|-
|0x5781 || Anon EMCY
|}
;Example
ID b0 b1 b2 b3 b4 b5 b6 b7
"82";"00 31 04 C2 51 00 04 00"
: Node id 2 sends emergency error.
: '''Error code:''' 0x3100 (b1+b0) meaning "Voltage" error category
: '''Error cause:''' 0x04 (b2) bit 2 set meaning "Voltage" error cause
: '''Sevcon error:''' 0x51C2 meaning "Precharge fail"
</onlyinclude>
[[Category:Diagnostics]]
