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SiBE04-808_B
Troubleshooting
Service Diagnosis
122
4.15 High Pressure Control in Cooling
Remote
Controller
Display
F6
Method of
Malfunction
Detection
High-pressure control (operation halt, frequency drop, etc.) is activated in cooling operation if
the temperature sensed by the outdoor heat exchanger thermistor exceeds the limit.
Malfunction
Decision
Conditions
The temperature sensed by the outdoor heat exchanger thermistor rises above
A
°C.
The error is cleared when the temperature drops below
B
°C.
Supposed
Causes
The installation space is not large enough.
Dirty outdoor heat exchanger
Defective outdoor fan motor
Defective stop valve
Defective electronic expansion valve or coil
Defective outdoor heat exchanger thermistor
Defective outdoor unit PCB
A
(°C)
B
(°C)
RK(X)S20-35G2V1B, ARXS20-35G2V1B
65
54
RK(X)S20-35G2V1B9, ARXS20-35G3V1B
65
52
RK(X)S42G2V1B, ARXS42G2V1B
65
53
RK(X)S50G2V1B, ARXS50G2V1B
65
51