Cj" Indoor Unit: Malfunction Of Thermostat Sensor In Remote  Controller; Controller - Daikin ALTHERMA HT 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
AII indoor unit models
Applicable
Models
Malfunction detection is carried out by temperature detected by remote control air temperature
Method of
thermistor.
Malfunction
Detection
When the remote control air temperature thermistor becomes disconnected or shorted while the
Malfunction
unit is running.
Decision
Conditions
 Defect of remote control thermistor
Supposed
 Defect of remote control PC board
Causes
 Defect of indoor PC board (A1P)
Troubleshooting
144
Be sure to turn off power switch before connect or disconnect
connector, or parts damage may be occured.
Caution
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
ESIE09-08B
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