113
15.4.17 H98 (Indoor High Pressure Protection)
Error Code will not display (no Timer LED blinking) but store in EEPROM
Malfunction Decision Conditions
The temperature detected by the indoor pipe temperature sensor is abnormal.
Malfunction Caused
Clogged air filter of the indoor unit.
Dust accumulation on the indoor unit heat exchanger.
Air short circuit.
Detection error due to faulty indoor pipe temperature sensor.
Detection error due to faulty indoor unit PCB.
Troubleshooting
For safety reason and to prevent
component breakdown, always switch
off the power before remove and
connect the component.
Check the indoor unit air filter
Is the air filter dirty?
Check the air passage
When abnormality indication starts again
Is there any short circuit?
Check the dust accumulation on the indoor unit heat exchanger
YES
Clean the air filter
Provide sufficient air passage
YES
YES
Clean the indoor unit heat exchanger.
Replace the indoor pipe temperature
sensor
Replace the indoor unit PCB
NO
NO
NO
Is the indoor unit heat exchanger dirty?
Check the indoor pipe temperature sensor
Does it conform to the sensor characteristic chart?
Caution
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