Specifications

SiUS12-928_A Troubleshooting
Service Diagnosis 136
Troubleshooting 18 class
Check No.06
Refer to P.152
Check No.07
Refer to P.153
Check No.09
Refer to P.154
Caution
WARNING
To cool the electrical components,
the outdoor fan starts when the
radiation fin temperature rises
above and stops when it drops
below .
(R12298)
YES
∗ Fin thermistor
NO
Slightly dirty
NG
Too dirty
OK
NO
YES
NO
YES
Turn off the power and turn it on
again.
Check the radiation fin
temperature.
Check No. 07
Check the installation condition.
Radiation fin dirty?
Does
the temperature
exceed the temperature to
stop operation?
Thermistor as
specified in its characteristic
chart?
Check No. 06
Check the thermistor resistance
value.
Check No. 09
Check the outdoor fan or
related.
Error again or outdoor
fan activated?
Replace the fin thermistor.
Replace the outdoor unit
PCB.
Replace the outdoor unit
PCB.
Replace the fan motor.
Correct the connectors and
fan motor lead wire.
Clean up the radiation fin.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
( )
18 class 80°C (176°F) 70°C (158°F) 75°C (167°F)