Topcon Apollo ISOBUS UT - CM-40 ECU Error Code Subsystems; EE Value Subsystems; DD - Drive Errors; PP

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12.2. Apollo ECU error codes

If any of the preceding digits are not zero, but the error state digits

(EE) are zero, the fault identified by the preceding digits is only a

warning or informational.

EE Value Subsystem

01 Communication (CAN)

02 Drive (H-Bridges or relays)

04 Power

08 General

10 ECUinput/output

DD - Drive errors

These digits identify individual faults in the drive subsystem.

DD Value Subsystem

01 H-Bridge A (channel 1 and 2) over temperature warning

02 H-Bridge B (channel 3 and 4) over temperature warning

04 Hardware over current shutdown

08 Software over current shutdown

20 Drive shutdown

40 Relay over current fault

PP - Power error flags

These digits identify faults in the power subsystems.

PP Value Subsystem

01 Solenoid power under voltage

02 Solenoid power over voltage or over current

04 Connector board solenoid power over voltage or over current

08 ECU power over voltage or over current

10 12V sensor power over current

Topcon Apollo ISOBUS UT - CM-40 ECU Error Code Subsystems; EE Value Subsystems; DD - Drive Errors; PP - Power Error Flags