Chapter 14 Fault Codes and DescriptionsCP2000
14-15
ID* Display on LCD Keypad Fault Name Fault Descriptions
18
IGBT temperature
detection failure
(tH1o)
IGBT hardware failure in temperature detection
Action and Reset
Action level NTC broken or wiring failure
Action time
When the IGBT temperature is higher than the protection level, and detection
time exceeds 100 ms, the tH1o protection activates.
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Immediately reset
Record Yes
Cause Corrective Actions
Hardware failure
Wait for 10 minutes, and then cycle the power. Check if tH1o protection still
exists. If yes, return to the factory for repair.
ID* Display on LCD Keypad Fault Name Fault Descriptions
19
Capacitor hardware
error
(tH2o)
Hardware failure in capacitor temperature detection
Action and Reset
Action level NTC broken or wiring failure
Action time
When the IGBT temperature is higher than the protection level, and detection
time exceeds 100 ms, the tH2o protection activates.
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Immediately reset
Record Yes
Cause Corrective Actions
Hardware failure
Wait for 10 minutes, and then cycle the power. Check if tH2o protection still
exists. If yes, return to the factory for repair.
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