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a) Power off, then restart If it can not resume after 2 minutes, please replace the display PCB.
EC--- Refrigerant Leakage Detection
Causation: 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－1℃ does not keep
continuous 4 seconds and this situation happens 3 times, the display area will show “EC” and AC will
turn off.
Solution:
a) Check the connection between T2 temperature sensor and adaptor is ok, if not, please make
sure the port plugs into the adaptor hard.
b) Restart the unit. If it can not resume. Please use another good T2 temperature sensor instead.
c) Is there cool air blowing out from indoor air outlet? If yes ,Please replace the PCB.
d) Is there any leakage? If yes ,Repair the leakage and recharge the refrigerant.
e) Is there any blocking? If yes ,Clear the blocking.
P1---Water full protection.
Causation: Water in tank is full.
Solution: Connect the drain hose and drain the collected water away.
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