ERROR CODES AND TROUBLESHOOTING
PAGE 36
ENGLISH
Error Codes and Troubleshooting
Yes
Yes
No
Yes
No
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Yes
No
No
Yes
Continue to monitor;
the system is starting
under an abnormal load
Replace
IPM
Replace
IPM
Check refrigerant charge
Start
The set temperature is 5°F max.
from the room temperature?
Does the error code display
before the compressor starts?
With power off for
5 min and back on,
compressor exceeds
over-current point in
Service Manual?
There is pulsing 50-200
VAC at compressor
terminals U, V, and W , read
from the terminal solder
points on the IPM?
There is 264-373 VDC at
P and N on the IPM?
Change set temperature
Error Code
(Indoor/Outdoor)
F2/LED1: 24 Flash
Overcurrent of the Compressor
Complete the “Check This First” Flow
Chart before continuing.
Models:
AW24TL2HFA
AW30TL2HFA
AW36TL2HFA
ASYW24TRDFA
ASYW30TRDFA
ASYW36TRDFA
1U24TL2HFA
1U3036TL2HFA
ASH124TRDFA
ASH3036TRDFA
See following page
for wiring diagram and
relevant color-coded
test positions.
