V6-i VRF 50/60Hz
2.11 F6: Electronic expansion valve connection error
2.11.1
Digital display output
2.11.2
Description
Electronic expansion valve connection error.
All units stop running.
Error code is only displayed on the unit with the error.
2.11.3
Trigger / recover condition
Trigger condition: The main control board cannot receive the feedback signal of EXV.
Recover condition: The main control board can receive the feedback signal of EXV.
Reset method: When the main control board can receive the feedback signal of EXV, F6 flashes, a manual system
restart id required before the system can resume operation.
2.11.4
Possible causes
Electronic expansion valve coil not connected properly or has malfunctioned.
Damaged main PCB.
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