Fujitsu AS*A09LKC User Manual

Trouble shooting 8
OUTDOOR UNIT Error Method:
Indicate or Display:
Detective Actuators: Detective details:
Forecast of Cause :
OKOK
OKOK
12.616.1
5
20.726.935.246.662.3115Resistance value (k )
0-5-10-20Temperature (°C ) 10 2015
1.652.363.455.187.97Resistance value (k )
7060504030Temperature (°C )
Outdoor Temperature Thermistor Error
Outdoor Unit Inverter PCB
Outdoor Temperature Thermistor
When Outdoor Temperature Thermistor open or short-circuit
is detected at power ON or while running the compressor.
1. Connector connection failure 2. Thermistor failure 3. Inverter PCB failure
Check Point 1 : Check connection of connector
Check if connector is removed.
Check if connector is erroneous connection.
Check if thermistor cable is open.
>> Upon correcting the removed connector or mis-wiring, reset the power.
Check Point 2 : Remove connector and check thermistor resistance value
Thermistor characteristics (Approx. value)
If Thermistor is either open or shorted, replace it and reset the power.
02-10
Refer to error code table.
Check Point 3 : Check voltage of Inverter PCB (DC5.0V)
Make sure circuit diagram of outdoor unit and check terminal voltage at thermistor (DC5.0V)
If the voltage does not appear, replace Inverter PCB.
CN61 CN62
THERMISTOR
( DISCHARGE PIPE )
THERMISTOR
( HEAT EXCHANGER )
THERMISTOR
( OUTDOOR TEMP. )
1
4
2
3
1
4
2
3
1
2
3
1
2
3
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
CN71 CN70
THERMISTOR
( DISCHARGE PIPE )
THERMISTOR
( HEAT EXCHANGER )
THERMISTOR
( OUTDOOR TEMP. )
1
4
2
3
1
4
2
3
1
2
3
1
2
3
BLACK
BLACK
BLACK
BLACK
AO*R09LKC AO*R12LKC
BLACK
BLACK

Fujitsu AS*A09LKC Specifications

General

Brand	Fujitsu
Model	AS*A09LKC
Category	Air Conditioner
Language	English