Daikin SUPER MULTI NX G Series Service Manual

SiUS12-928_B Troubleshooting for Outdoor Unit
Service Diagnosis 158
Troubleshooting 24/32 class
Check No.01
Refer to P.191
Check No.12
Refer to P.194
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
(R17254)
YES
NG
NO
NO
YES
YES
YES
NO
YES
NO
NO
YES
NO
NO
YES
∗ Discharge pipe thermistor
∗ Indoor or outdoor heat exchanger thermistor
∗ Room temperature thermistor
∗ Outdoor temperature thermistor
Check for refrigerant shortage.
Change for a specified amount of
fresh refrigerant.
Check No. 12
Outdoor electronic
expansion valve
functioning?
Replace the thermistor(s) in
position.
Open the stop valve.
Repair the pipe flare or
replace the union.
Check the harness for
loosening.
Correct it as required. Also
replace the cracked pipe.
Check the pipes for
improper contact. Correct
them as required. Also
replace the cracked pipe.
Replace the outdoor
electronic expansion valve.
Replace the defective
thermistor(s).
Completed.
Refrigerant shortage error
again?
Oil oozing at internal
piping?
Stop valve closed?
Compressor vibrating
too much?
Oil oozing at relay
pipe connections?
Any thermistor
disconnected?
Check No. 01
Check the thermistors.
OK
NO
YES
Replace the outdoor unit PCB.
Replace the compressor.
Completed.
Error again?

Daikin SUPER MULTI NX G Series Specifications

General

Brand	Daikin
Model	SUPER MULTI NX G Series
Category	Air Conditioner
Language	English