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Troubleshooting
If any of the following faults codes appear on your indoor
unit, please contact your li censed professional HVAC
installer (or equivalent) or a service agency.
Code
E0
Indoor unit EEPROM error
E1
Communication error between indoor unit and
outdoor unit
E3
Indoor fan speed error
E4
Indoor return air temperature sensor error
E5
Indoor coil temperature sensor error
EC
Low refrigerant
EE
High water level alarm
F0
Outdoor current overload sensed
F1
Outdoor ambient temperature sensor error
F2
Outdoor coil temperature sensor error
F3
Compressor discharge temperature sensor error
F4
Outdoor unit EEPROM error
F5
Outdoor unit fan speed error
P0
Inverter module IPM error
P1
High or low voltage protection
P3
Outdoor unit low temperature lockout
P4
Compressor drive error
P6
Compressor high-pressure or low-pressure switch
open
Table 4. Faults Codes Displayed on Indoor Unit
Page 8 of 8
Description
FCC Compliance Statement — PART 15.19
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received,
including interference that may cause undesired
operation.
Issue 2011
507949-01
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