Error Codes - EdgeStar AP13500G Service Manual

Fan louvers do not
swing.
Sounds or vibration.
Room too cold (or too
hot.)

7.2 Error Codes

LED
Code
Indication
LED blinks
once then off
F1
for 3
seconds.
LED blinks
twice then off
F2
for 3
seconds.
LED blinks
four times
F4
then off for 3
seconds.
Wire connections faulty.
Fan swing motor damaged.
When unit is turned on or off the outer
shell "pops" or "clicks."
When unit is turned on or off "boiling"
or "running water" is heard.
Foreign objects inside the unit are
interfering with fans or other moving
parts.
Compressor vibration.
Set temperature is too low (or high.)
Malfunction Possible Causes and Solutions

Indoor ambient

temperature sensor
is open/short
circuited.



Evaporator

temperature sensor
is open/short
circuited.



Condenser

temperature sensor
is open/short
circuited.


Check wire connections. Repair or tighten any
broken or loose connections.
Replace motor.
Normal sound. Outer shell is contracting or
expanding and will stop after a few minutes.
Normal sound. The cause is refrigerant flowing
inside the system and will stop after a few minutes.
Remove foreign objects.
Tighten bolts holding compressor to chassis.
Adjust the set temperature.
Sensor connection is loose or disconnected.
Reconnect any loose or disconnected wires.
Sensor wire is damaged. Repair wire or replace
sensor.
Sensor is defective. Replace sensor.
Main PCB is defective. Replace PCB.
Sensor connection is loose or disconnected.
Reconnect any loose or disconnected wires.
Sensor wire is damaged. Repair wire or replace
sensor.
Sensor is defective. Replace sensor.
Main PCB is defective. Replace PCB.
Sensor connection is loose or disconnected.
Reconnect any loose or disconnected wires.
Sensor wire is damaged. Repair wire or replace
sensor.
Sensor is defective. Replace sensor.
Main PCB is defective. Replace PCB.
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