Daikin SUPER MULTI NX G Series Service Manual page 114

Troubleshooting
Troubleshooting
Check No.06
Refer to P.152
Note: If the outdoor temperature is below –10°C (14°F) in the cooling mode, the unit may be suspended
with error A5 displayed. The system is reset, but this suspension is recorded in the error history
memory.
105
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Check the air passage.
Are there any short circuits?
NO
Check the air filter.
Is it very dirty?
NO
Check the dust accumulation on
the indoor heat exchanger.
Is it very dirty?
NO
Check No. 06
Check the indoor heat exchanger
thermistor.
Does it
conform to the
thermistor characteristic
chart?
YES
f
YES
YES
YES
NO
SiUS12-928_A
Provide sufficient air passage.
Clean the air filter.
Clean the indoor heat
exchanger.
Replace the thermistor.
Replace the indoor unit PCB.
(R7131)
Service Diagnosis