Fujitsu AOYG45LAT8 User Manual

Discharge Pressure Sensor Error
Forecast of Cause :
OK
Check Point 3 : Check voltage of Main PCB (DC5.0V)
D
C
CN91
WHIT
E
RED
PRESSUR
E
SENSO
R
(H
I
GH)
1 2 3
1
2 3
BLACK
PS
Discharge pressure sensor
When any of the following conditions is satisfied, a discharge pressure
sensor error is generated.
1.
30 seconds o
r more have elapsed since the outdoor unit power was turned
on and pressure sensor detected value 0.3V 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. Discharge pressure sensor connector disconnection, open
2. Discharge pressure sensor failure3. Main PCB failure
OK
Check Point 1 : Check the discharge pressure sensor connection state
Connector connection state check
Cable open check
Check Point 2 : Check the discharge pressure sensor
Sensor characteristics check
* For the characteristics of the discharge pressure sensor,
refer to the "Service Parts Information 6".
Main PCB (CN91:1-4) voltage value = 5V
Remove the thermistor from Main PCB, check the voltage.
Discharge pressure sensor (CN91:1-4)
Indoor Unit : Operation LED 8 times Flash, Timer LED 6 Times Flash,
Economy LED Continuous Flash.
Outdoor Unit : E. 86. 1
Error Code : 86
If the voltage does not appear, replace Main PCB, and execute
the check operation again.
Trouble shooting 27
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
4
4
02-43

Fujitsu AOYG45LAT8 Specifications

General

Brand	Fujitsu
Model	AOYG45LAT8
Category	Air Conditioner
Language	English