TROUBLE SHOOTING:
E43
o
o
★
x
Overheating protection
a.
It is normally for protection, When the
indoor pipe temperature between
53
℃
<T<63
℃
, the outdoor fan motor will stop
running. When the indoor coil temperature is
higher than 63
℃
, the error code will display.
After the indoor pipe temperature is lower
than 49
℃
, the air conditioner will restart
normally.
b.
The indoor coil temperature sensor is
loose;
c.
The indoor coil temperature sensor is
failure;
d.
The indoor control board is failure.
The failure is detected when the room temperature sensor broken or shorted over 5 sec.
The failure is detected when the temperature sensor of heater exchange broken orshorted over 5 sec.
The failure is detected when each setting data is not match after the EEPPOM self-check twotimes.
The failure is occur when the grounding signal is not detected after the appliance power ON.
