Daikin SUPER MULTI NX CTXS07JVJU Service Manual page 192

SiUS12-928_B
Troubleshooting
18 class
Check No.01
Refer to P.191
Check No.17
Refer to P.198
Check No.19
Refer to P.199
18 class
Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Turn off the power and turn it on
again.
Error again or outdoor
fan activated?
NO
Check No. 19
Check the outdoor fan or
related.
OK
Radiation fin dirty?
Slightly dirty
Check No. 17
Check the installation condition.
A
176°F (80°C)
To cool the electrical components,
the outdoor fan starts when the
radiation fin temperature rises
above C and stops when it drops
below B.
YES
Check No. 01
Check the thermistor resistance
value.
∗ Fin thermistor
As
described in the
thermistor characteristic
chart?
YES
Check the radiation fin
temperature.
Above A?
YES
NG
Too dirty
B C
158°F (70°C) 167°F (75°C)
Troubleshooting for Outdoor Unit
WARNING
NO
Replace the radiation fin
thermistor.
NO
Replace the outdoor unit
PCB.
Replace the outdoor fan
motor.
Correct the connectors and
fan motor lead wire.
Replace the outdoor unit
PCB.
Clean up the radiation fin.
(R17367)
184