Fujitsu AOYG45LAT8 User Manual

Trouble shooting 28
OUTDOOR UNIT Error Method:
Suction Pressure Sensor Error
Indicate or Display:
Check Point 3 : Check voltage of Main PCB (DC5.0V)
D
C
CN92
WHIT
E
RED
PRESSUR
E
SENSO
R
(L
O
W)
1 2 3
1 2 3
BLACK
PS
Detective Actuators:
Detective details:
Forecast of Cause :
OK
Suction pressure sensor
When any of the following conditions is satisfied, a suction pressure
sensor error is generated.
1. 30 seconds or more have elapsed since the outdoor unit power was turned
on and pressure sensor detected value 0.06V continued for 30
seconds or more.
2. 30 seconds or more have elapsed since the outdoor unit power was turned
on and pressure sensor detected value 5.0V was detected.
1. Suction pressure sensor connector disconnection, open
2. Suction pressure sensor failure3. Main PCB failure
OK
Check Point 1 : Check the suction pressure sensor connection state
Connector connection state check
Cable open check
Check Point 2 : Check the suction pressure sensor
Sensor characteristics check
* For the characteristics of the suction pressure sensor,
refer to the "Service Parts Information 6".
Suction pressure sensor (CN92:1-3)
Main PCB (CN92:1-3) voltage value = 5V
Remove the thermistor from Main PCB, check the voltage.
Outdoor Unit : E. 86. 3
Indoor Unit : Operation LED 8 times Flash, Timer LED 6 Times Flash,
Economy LED Continuous Flash.
Error Code : 86
If the voltage does not appear, replace Main PCB, and execute
the check operation again.
02-44

Fujitsu AOYG45LAT8 Specifications

General

Brand	Fujitsu
Model	AOYG45LAT8
Category	Air Conditioner
Language	English