V6 VRF 50Hz
2.11 F3, F5: Temperature sensor (T6B/T6A) error
2.11.1
Digital display output
2.11.2
Description
F3 indicates plate heat exchanger cooling refrigerant outlet temperature sensor (T6B) error.
F5 indicates plate heat exchanger cooling refrigerant inlet temperature sensor (T6A) error.
All units stop running.
Error code is only displayed on the unit with the error.
2.11.3
Trigger / recover condition
Trigger condition: Temperature sensor T6A(B) is open or short-circuit.
Recover condition: Temperature sensor T6A(B) connection ports can detect load.
Reset method: Resume automatically.
2.11.4
Possible causes
Temperature sensor not connected properly or has malfunctioned.
Damaged main PCB.
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