Daikin D-Series User Manual

Si18-525B Troubleshooting for SkyAir Indoor Unit
Troubleshooting 353
5.11 Malfunction of Remote Controller Thermistor
Remote
Controller
Display
CJ
Applicable
Models
FFQ, FCQ, FBQ, FHQ
Method of
Malfunction
Detection
Even if remote controller thermistor is faulty, system is possible to operate by system thermistor.
Malfunction detection is carried out by temperature detected by remote controller thermistor.
Malfunction
Decision
Conditions
When the remote controller thermistor becomes disconnected or shorted while the unit is
running.
Supposed
Causes

Failure of sensor itself

Broken wire
Troubleshooting
Check No.02
Refer to P.358
Turn the power supply
off once and then
back on
Replace remote controller.
Could be outside cause
(noise,etc.) other than
malfunction
Is CJ
displayed on the
remote
controller?
NO
YES
(Q0419)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
+See Check No. 02 for “Thermistor temperature and resistance characteristics”.

Daikin D-Series Specifications

General

HSPF Rating	Up to 10.0
Cooling Capacity	9, 000 - 36, 000 BTU/h
Heating Capacity	9, 000 - 36, 000 BTU/h
Energy Efficiency Ratio (EER)	Up to 12.5
Sound Level	19 - 50 dB (Indoor), 49 - 60 dB (Outdoor)
Noise Level	19 - 50 dB (Indoor), 49 - 60 dB (Outdoor)
Power Supply	208/230V, 1-phase, 60Hz