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9.4.6 Refrigerant Leakage Detection diagnosis and solution(EC)
Error Code
EC
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
℃
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:
Содержание WAE009AMFI15RL
Страница 7: ...5 2 2 Part names of Indoor Outdoor units ...
Страница 16: ...14 5 Wiring Diagram 5 1 Indoor Unit 9000 BTU 230V Heat Pump 12000 BTU 230V Cool Only 12000 BTU 230V Heat Pump ...
Страница 18: ...16 24000 BTU 230V Cool Only 24000 BTU 230V Heat Pump ...
Страница 20: ...18 18000 BTU 230V Cool Only 18000 BTU 230V Heat Pump 24000 BTU 230V Cool Only 24000 BTU 230V Heat Pump ...
Страница 22: ...20 For 18000 BTU 230V Cool Only 18000 BTU 230V Heat Pump For 24000 BTU 230V Cool Only 24000 BTU 230V Heat Pump ...
Страница 53: ...51 P U P V ...
Страница 54: ...52 P W P N ...