Inovance IS580 Series - IGBT Overheat; External Fault

6 Troubleshooting
- 51 -
Surroundings too hot?
Air passage are stuffed up?
Fan is broken?
Lower the temperature
of surroudings
Clean it up
Replace the fan
IGBT overheat
Yes
Yes
Yes
IGBT thermistor is broken
Replace
thermistor
Yes
No
No
No
IGBT broken?
Replace IGBT
Yes
No
Seek for support
Pressed "STOP" key during running in
non-keypad control mode?
External fault DI triggered?
Pressed "STOP" key when voltage limit reached?
Reset and restart
Check external fault
Reset and restart
External fault
Yes
Yes
Yes
No
No