Daikin Floor Standing Type F-Series, Руководство по обслуживанию

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SiBE06-708_A Troubleshooting
Service Diagnosis 98
4.13 Four Way Valve Abnormality
Remote
Controller
Display
EA
Method of
Malfunction
Detection The room temperature thermistor, the indoor heat exchanger thermistor, the outdoor
temperature thermistor, and the outdoor heat exchanger thermistor are checked if they function
within their normal ranges in each operation mode.
Malfunction
Decision
Conditions A following condition continues over 1 ~ 10 minutes (depending on the model) after operating
for 5 ~ 10 minutes (depending on the model).
„
Cooling / Dry
(room thermistor temp. – indoor heat exchanger temp.) < –5°C
„
Heating
(indoor heat exchanger temp. – room thermistor temp.) < –5°C
„
If the error repeats, the system is shut down.
„
Reset condition: Continuous run for about 60 minutes without any other error
Supposed
Causes
„
Disconnection of four way valve coil
„
Defective four way valve, coil, or harness
„
Defective outdoor unit PCB
„
Defective thermistor
„
Refrigerant shortage
„
Water mixed in refrigerant
„
Defective stop valve