Fujitsu Airstage V series User Manual

Trouble shooting 33
OUTDOOR UNIT Error Method:
Outdoor Temperature Sensor Error
Indicate or Display:
Outdoor Unit : LED1 Flash, LED3 12 Times Blink
Indoor Unit : Operation LED Blink,
ERROR CODE : E : 32
Detective Actuators:
Outdoor Unit Controller PCB circuit
Outdoor Temperature Thermistor
Detective details:
When Outdoor Temperature Thermistor is detected as SHORTED or OPEN
OK
OK
Forecast of Cause : 1. Connector connection failure 2. Thermistor failure 3. Controller PCB failure
Check Point 1 : Check connection of Connector
p Check if connector is loose or removed
p Check erroneous connection
p Check if thermistor cable is open
>>Reset Power when reinstalling due to removed connector or incorrect wiring.
Check Point 2 : Remove connector and check Thermistor resistance value
Thermistor Characteristics (Rough value)
If Thermistor is either open or shorted, replace it and reset the power.
Resistance Value ( )
Temperature (°C)
8.0
30
12.5
20
15.8
15
5.3
40
20.225.933.644.058.2105
1050-5-10-20
Resistance Value ( )
Temperature (°C)
1.82.53.6
706050
Check Point 3 : Check voltage of Controller PCB (DC5.0V)
Make sure circuit diagram of each indoor unit and check terminal voltage at Thermistor (DC5.0V)
Outdoor Unit Schematic(CN27)
If the voltage does not appear, replace Controller PCB and reset the original address.
DC
Suction Gas Temp. Thermistor(CN27:1-2)
Outdoor Temp. Thermistor(CN27:3-4)
Discharge Thermistor 1 (CN27:5-6)
Discharge Thermistor 2 (CN27:7-8)
Discharge Thermistor 3 (CN27:9-10)
06-44
Timer LED 3 Time Blinks,
Swing LED 3 Time Blinks

Fujitsu Airstage V series Specifications

General

Brand	Fujitsu
Model	Airstage V series
Category	Air Conditioner
Language	English