EP Equipment 508000003143, Operation Manual, Page: 45 / 91

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6.1 Error Message
6.1.1 Traction Controller (COMBIAC0 _MASTER uc)
Error Message
Possible cause Fault elimination
Error
Error text
8
WATCHDOG
This is a safety related test. It is a
self-diagnosis test that involves the
logic between master and
supervisor microcontrollers.
This alarm could be caused by a CAN
bus malfunctioning, which blinds
master-supervisor communication.
17
LOGIC
FAILURE #3
A hardware problem in the logic
board due to high currents
(overload). An overcurrent
condition is triggered even if the
power bridge is not driven.
The failure lies in the controller
hardware. Replace the controller
18
LOGIC
FAILURE #2
Fault in the hardware section of
the logic board which deals with
voltage feedbacks of motor
phases.
The failure lies in the controller
hardware. Replace the controller.