Fujitsu AOYG45LAT8 User Manual

Discharge Temp. Error
<Cooling operation>
OK
OK
OK
OK
:
OK
<Heating operation>
2. EEV defective, strainer clogged
3. Outdoor unit operation failure, foreign matter on heat exchanger
4. Discharge temperature thermistor failure
5. Insufficient refrigerant
Discharge temperature thermistor
"Protection stop by "discharge temperature 115°C during compressor
operation'''' generated 2 times within 24 hours.
Check Point 1 : Check if 3-way valve(gas side) is open.
Discharger thermistor characteristics check
(Check by disconnecting thermistor from PCB.)
* For the characteristics of the thermistor, refer to the "Service Parts Information 5".
Check Point 4 : Check the discharge thermistor
EEV (EEV2, indoor unit EEV) open?
Strainer clogging check (before and after EEV, ACM
oil return)
Refer to "Service Parts Information 3, 4 "
Check Point 3 : Check the outdoor unit fan,heat exchanger
Check for foreign object at heat exchanger
Check if fan can be rotated by hand.
Motor check(PARTS INFORMATION 7)
Check Point 2 : Check the EEV, strainer
Check Point 5 : Check the refrigerant amount
Leak check
EEV (EEV1, EEV2) open?
Strainer clogging check (before and after EEV, ACM
oil return)
Refer to "Service Parts Information 3, 4"
Check Point 2 : Check the EEV, strainer
If the 3-way valve(gas side) was closed, open the
3-way valve(gas side) and check operation.
Indoor Unit : Operation LED 10 times Flash, Timer LED 1 Times Flash,
Economy LED Continuous Flash.
Outdoor Unit : E. A1. 1
Error Code : A1
Check Point 1 : Check if 3-way valve(liquid side) is open.
If the 3-way valve(liquid side) was closed, open the
3-way valve(liquid side) and check operation.
OK
1. 3-way valve not opened
Trouble shooting 34
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :
02-50

Fujitsu AOYG45LAT8 Specifications

General

Brand	Fujitsu
Model	AOYG45LAT8
Category	Air Conditioner
Language	English