Axpert MKS-4000/KS-5000 Service manual
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6. Troubleshooting
This section describes how to find the trouble when the system is abnormal. We suggest you can follow
the service procedure:
a. Check the system status by LED and LCD display, the sounds of buzzer.
b. Observe the failure board, static checking.
c.
Replace the failure components.
d. Static checking.
e. Power up checking.
f.
Test after repair.
Following section will help service person to solve most of problem.
6.1 Fault Reference Code
Fault Code
Fault Event
Icon on
01
Fan is locked
02
Over temperature
03
Battery voltage is too high
04
Battery voltage is too low
05
Output short circuited or Over temperature
06
Output voltage is abnormal
07
Over load time out
08
Bus voltage is too high
09
Bus soft start failed
11
Main relay failed
51
Over current inverter
52
Bus soft start failed
53
Inverter soft start failed
54
Self-test failed
