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Fujitsu AUXG12KVLA Service Instruction

Fujitsu AUXG12KVLA
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Heat Ex. Outlet / Middle Temp.
Thermistor Error
OK
OK
DC
P1
THERMISTOR
(PIPE )
THERMISTOR
(DIS.PIPE.)
BLACK
BLACK
BLACK
BLACK
4321
4321
Heat exchanger Outlet / Middle temperature
thermistor
Heat exchanger outlet temperature thermistor short or open detected
Heat exchanger middle temperature thermistor short or open detected
Check Point 1 : Check the connector connection and cable open
Connector connection state check
Cable open check
Check Point 2 : Check the thermistor
Thermistor characteristics check
(Disconnect the thermistor from the PCB and check.)
* For the thermistor characteristics, refer to the "Service Parts Information 8".
Check Point 3 : Check voltage of Main PCB (DC5.0V)
Main PCB P1 :1-2 voltage value =5V
Main PCB P10:1-2 voltage value =5V
Remove the thermistor from Main PCB, check the voltage.
If the voltage does not appear, replace Main PCB,
and execute the check operation again.
02-24
Trouble shooting 24
Detective Actuators: Detective details:
OUTDOOR UNIT Error Method:
Indicate or Display:
Error code : 73 Outdoor unit : No indication
P10
THERMISTOR
(PIPE MID )
BLACK
BLACK
321
321
1. Connector connection failure, open
2. Thermistor failure
3. Main PCB failure
Forecast of Cause :

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Fujitsu AUXG12KVLA Specifications

General IconGeneral
BrandFujitsu
ModelAUXG12KVLA
CategoryAir Conditioner
LanguageEnglish

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