A821_O: Inverter- DC Undervoltage Logic Fault
Status
No operation when Alarm is Present. Operation will resume if Alarm clears. After three strikes without 15 minutes of continuous operation, a permanent lockout (requiring power reset) will occur.
Description
The compressor drive has detected a fault with the DC bus voltage - the DC bus voltage is below tolerance.
Expected Operation
Critical Fault - No operation until corrected.
Cause
Compressor drive has detected low voltage on the DC bus.
Solution
