1 CCM-180A/WS
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CCM
-180A/WS Service Manual
The compressor frequency variation is greater than 15 Hz within one
second of protection
The actual compressor frequency differs from the target frequency by
more than 15 Hz protection
Note:
1. 'x' is a placeholder for the compressor system (compressor and related electrical components), with 1 representing compressor system A and 2
representing compressor system B.
2. For some error codes, a manual restart is required before the system can resume normal operations.
3. Once the EEV is connected properly, a manual restart is required before the system can resume normal operations.
Table 16 Error codes for IDUs
Indoor unit has not been assigned an address
Communication error between indoor and outdoor units
Indoor ambient temperature sensor error
Indoor heat exchanger mid-point temperature sensor error
Indoor heat exchanger outlet temperature sensor error