EKKO EK07S Series, Service Manual

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9
CURRENTSENSE
FAULT
4.1
Current detection fault 2) Electromagnetic brake drive open
circuit
EEPROM CHECKSUM
FAULT
4.3
EEPROM failure 1) Electromagnetic brake coil open
HARDWARE FAILSAFE 4.2
Motor voltage is out of
range
2) Electromagnetic brake drive short
circuit
HPD FAULT 3.5
HPD fault 1) Short circuit of motor or motor wiring
MAIN FAULT 2.3
The main contactor is
faulty
2) The controller is faulty
MAIN OFF FAULT
2.1
Main contactor coil drive
'off' failure
1) EEPROM is faulty or invalid
MAIN ON FAULT 2.4
Main contactor coil drive
'on' failure
1) Motor voltage cannot match
accelerator input
OVERVOLTAGE FAULT 1.5
Battery voltage is too
high
2) Short circuit of motor or motor
matching ring
PRECHARGE FAULT 3.3
Precharge failure 3) The controller is faulty
SPEED POT FAULT 1.3
The speed limiting
potentiometer is faulty
1) Accelerator, key switch, promotion or
prohibition
THERMAL FAULT 1.1
Over/under temperature
cut-off
Input several actions out of order