Fujitsu Airstage V series User Manual

Trouble shooting 23
OUTDOOR UNIT Error Method:
Discharge Temp. Sensor 2 Error
Indicate or Display:
Outdoor Unit : LED1 Flash, LED3 2 Time Blink
Indoor Unit : Operation LED Lighted Continuously (Normal Operation)
ERROR CODE : E : 00
Detective Actuators:
Outdoor Unit Controller PCB circuit
Discharge Thermistor
Detective details:
Discharge thermistor of Compressor 2 is shorted.
Discharge thermistor of Compressor 2 is open after 5 minutes of operation.
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.
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.
OK
DC
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.
OK
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)
Resistance Value ( )
Temperature (°C)
12.5
60
18.1
50
26.9
40
8.8
70
41.164.581.8105135176
3020151050
Resistance Value ( )
Temperature (°C)
0.5
180
0.8
160
1.22.03.44.66.3
1401201009080
06-34
(No error display)

Fujitsu Airstage V series Specifications

General

Brand	Fujitsu
Model	Airstage V series
Category	Air Conditioner
Language	English