2.34 U4: Indoor unit refrigerant pipe and signal cable connection are inconsistent
Digital display output
Description
 Indoor unit refrigerant pipe and signal cable connection are inconsistent.
 All units stop running.
 Error code is only displayed on the master unit.
Trigger / recover condition
 Trigger condition:
Indoor unit refrigerant pipe and signal cable connection are inconsistent.
 Recover condition:
Indoor unit refrigerant pipe and signal cable connection are consistent.
 Reset method: Manually restart.
Possible causes
 Indoor unit refrigerant pipe and signal cable connection are inconsistent.
Procedure
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