ERROR CODES AND TROUBLESHOOTING
PAGE 50
ENGLISH
Error Codes and Troubleshooting
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Replace PCB
Replace PCB
Replace Motor
Replace/Repair EEV
Coil
Recover refrigerant, check
for leaks, evacuate, and
re-charge per nameplate
Replace sensor
Wash coil, blower
wheel and/or filter
There is 5 VDC at CN6 on the Indoor
PCB across the black senor wires?
The Coil and Ambient
Sensors’ resistances are
within 3% of the value
listed in the Service Manual
sensor resistance table?
The coil, blower
wheel, and filter are
free of dirt or debris?
There is DCV at the motor
PCB connections:
RD to BK: 310-334VDC?
There is DCV at the motor
PCB connections:
WH to BK: 15VDC
There is DCV at the motor
PCB connections:
YL to BK: 1-4VDC running,
0 when off?
There is DCV at the motor
PCB connections:
BL to BK: 4-8VDC running,
14VDC when off?
Is the EEV coil properly
seated and the coil
resistance correct?
The refrigerant charge has
been verified against the
nameplate value?
Error Code
(Indoor/Outdoor)
E5/LED1: 22 Flash
Coil Frost Protection
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, relevant
color-coded test
positions, sensor and
EEV resistance values.
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