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Error Code Diagnostics
H0 - H3 Error Codes
Decrease frequency due to overload.
Status:
All systems operate normal with decrease in
capacity
1. Refer to “E8” troubleshooting procedures
Fault & Status Possible Causes
Normal function
Defrosting
Status:
Defrosting will occur in heating mode.
Compressor will operate while indoor fan
stops.
Overload Protection for Compressor
Status:
During cooling mode, compressor will stop,
indoor fan will run. Heating mode all units
stop.
1. Wiring terminal OVC-COMP is loose. In
normal state the resistance should be less
than 1 ohm,
2. Refer to “E4” troubleshooting procedures.
H0
H1
H3
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