0xFF74
Cause
Error when reading the data from the power unit.
Description
Power unit fatal error
Remedy
- Switch inverter off and on again.
- If the error occurs again, the manufacturer must be contacted, since the power unit or the device has to be replaced.
Product categories
i550Severity/response
Fault
- Operation of the inverter is not possible.
Fault message ID
65396Keypad display
PU fatal error