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113
17.4.26 F97 (Compressor Overheating)
Malfunction Decision Conditions
During operation of cooling and heating, when compressor tank temperature data (112°C) is detected by the
compressor tank temperature sensor.
Malfunction Caused
Faulty compressor tank temperature sensor
2/3 way valve closed
Refrigerant
shortage
(refrigerant leakage)
Faulty outdoor unit PCB
Faulty
compressor
Troubleshooting
2/3 way valve closed?
When F97 indication happens
For safety reason and to prevent component
breakdown, always switch off the power
before remove and connect the component.
Check the compressor tank temperature
sensor
●
Open the 2/3 way valve
YES
NO
Does it conform to the sensor
characteristic chart?
●
Replace the compressor tank
temperature sensor
NO
YES
Check for gas leakage
Oil oozing out from the 2/3 way valve?
●
Repair the pipe flare or union nuts
●
Reclaim and recharge refrigerant
●
Replace the capillary tube or dryer
YES
NO
YES
Reclaim and recharge for a specified
amount of fresh refrigerant
Refrigerant cycle abnormality error again?
NO
NO
YES
●
Replace outdoor unit PCB
●
Replace outdoor unit compressor
●
Procedure complete
Check if expansion valve or strainer
clogged (ice formed)
Caution
Содержание CS-HZ25TKE
Страница 27: ...27 11 1 3 Receiver Printed Circuit Board CN RCV 11 1 4 Fuse Printed Circuit Board ACL501 ACN501 ACL502 ACN502 ...
Страница 118: ...118 18 1 1 4 To Remove Control Board Figure 6 18 1 1 5 To Remove Cross Flow Fan and Indoor Fan Motor Figure 7 ...
Страница 119: ...119 Figure 8 Figure 9 ...
Страница 120: ...120 Figure 10 ...