Malfunction decision
conditions
Define the evaporator coil temp.T2 of the compressor just starts
running as Tcool.
In the beginning 5 minutes after the compressor starts up, if T2
＜Tcool－2
°C(
Tcool－35.6
°F)
does not keep continuous 4
seconds and this situation happens 3 times, the display area will
show “EC” and AC will turn off.
Supposed causes
●
T2 sensor faulty
●
Indoor PCB faulty
●
System problems, such as leakage or blocking.
Trouble shooting:
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