The temp. sensor is open or short-circuit.
Compressor is over current
The temperature of evaporator coil of indoor unit is too low (when coo
ling)
The temperature of evaporator coil of indoor unit is too high (when he
ating)
The temperature of air outlet of indoor unit is too high (when heating)
9.2 LEDs for the indication of outdoor trouble
In normal operation, LEDs emit no light and they will flash at a frequency of 2Hz w
hen trouble occurs. Their codes are listed in the following table:
MFE-60ARN1-RB4W (2T0043800036):
Protection of low pressure
Protection of high pressure
Communication malfunction
Open- or short-circuit of T3
temperature sensor
Open- or short-circuit of T4
temperature sensor
Discharge temperature protection of
compressor
High temperature protection of condenser
Phase sequence or Lack of phase(A ,B)
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