Daikin Floor Standing Type F-Series User Manual

Troubleshooting SiBE06-708_A
111 Service Diagnosis
4.20 Thermistor or Related Abnormality (Outdoor Unit)
Remote
Controller
Display
H9
,
J3
,
J6
,
P4
Method of
Malfunction
Detection
This fault is identified based on the thermistor input voltage to the microcomputer.
A thermistor fault is identified based on the temperature sensed by each thermistor.
Malfunction
Decision
Conditions

The thermistor input voltage is above 4.96 V or below 0.04 V with the power on.
 J3
error is judged if the discharge pipe temperature is lower than the heat exchanger
temperature.
Supposed
Causes

Disconnection of the connector for the thermistor

Defective thermistor

Defective heat exchanger thermistor in the case of
J3
error (outdoor heat exchanger
thermistor in cooling operation, or indoor heat exchanger thermistor in heating operation)

Defective outdoor unit PCB

Defective indoor unit PCB

Daikin Floor Standing Type F-Series Specifications

General

Brand	Daikin
Model	Floor Standing Type F-Series
Category	Air Conditioner
Language	English