Fujitsu AOYG45LAT8 - High Pressure Switch Error

Trouble shooting 29
OUTDOOR UNIT Error Method:
Indicate or Display:
OK
OK
Detective Actuators:
High pressure switch
Detective details:
Forecast of Cause :
1. High pressure switch connector disconnection, open
2. High pressure switch characteristics failure3. Main PCB failure
When the power was turned on, "high pressure switch : open" was detected.
Check Point 1 : Check the high pressure switch connection state
Connector and wiring connection state check
Cable open check
Check Point 2 : Check the high pressure switch characteristics
Switch characteristics check
* For the characteristics of high pressure switch, refer to below.
Check Point 3 : Replace Main PCB
Change Main PCB, and execute the check operation again.
Outdoor Unit : E. 86. 4
Indoor Unit : Operation LED 8 times Flash, Timer LED 6 Times Flash,
Economy LED Continuous Flash.
Error Code : 86
High Pressure Switch Error
Type of contact
Characteristics of pressure switch
C
H
Pressure
Pressure switch 1
4.2 0.1MPa
3.2 0.15MPa
Contact : Short Open
Contact : Open Short
(CN101)
02-45