Cj" Indoor Unit: Malfunction Of Thermostat Sensor In Remote Controller - Daikin ALTHERMA HT ERSQ 011 AA Service Manual

Troubleshooting by Indication on the Remote Controller
3.11 "CJ " Indoor Unit: Malfunction of Thermostat Sensor in
Remote Controller
CJ
Remote Control
Display
Subcode 0
Applicable Models AII indoor unit models
Method of
Malfunction detection is carried out by temperature detected by remote control air temperature
Malfunction thermistor.
Detection
Malfunction When the remote control air temperature thermistor becomes disconnected or shorted while the unit is
Decision Conditions running.
 Defect of remote control thermistor
Supposed Causes
 Defect of remote control PC board
 Defect of indoor PC board (A1P)
Troubleshooting
154
Be sure to turn off power switch before connecting or disconnecting connector,
Caution
otherwise parts may be damaged.
Turn power supply OFF, then
power ON again.
Is "C J" displayed
on the remote control?
YES
Normal operation.
Replace indoor unit
PC Board (A1P).
NO
NO
ESIE09-08A
External factor other than
equipment malfunction
(for example noise, etc.)
Replace remote control.
Turn power supply OFF, then
power ON again.
Is "CJ" displayed
on the new remote
control?
YES
(V2787)
Troubleshooting