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38MBRC: Service Manual
DIAGNOSIS AND SOLUTION
Outdoor Unit Error Display
DISPLAY
EC50
Outdoor temperature sensor error
EC51
Outdoor EEPROM error
EC55
Outdoor IPM module temperature sensor malfunction
PC31
System low pressure protection
Compressor start failure of the outdoor unit
PC42
High temperature protection of the evaporator
PH90
PH91
Low temperature protection of the evaporator
LC06
High temperature protection of the inverter module (IPM)
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Table 8 - Diagnostic Guide for Outdoor Units
LED STATUS
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