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16.3.5 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:
Check cool air blowing out
from indoor air outlet
Yes
Yes
Check if T2 sensor
No
Check leakage of system
No
Power off, then restart the
unit 2 minutes later.
Replace indoor PCB.
Yes
Repair the leakage and
recharge the refrigerant.
Yes
check blockIng of system and
clear the blocking
Содержание YN009GMFI22RPD
Страница 8: ...5 2 2 Part names of Indoor Outdoor units Ceiling Cassette Unit ...
Страница 9: ...6 Ducted Concealed Units ...
Страница 10: ...7 Floor Console Units ...
Страница 11: ...8 Ceiling Floor Units ...
Страница 24: ...21 Console Units 16 Drain pipe 195 Hanging arm Unit mm 700 600 210 ...
Страница 28: ...25 Console Unit Ceiling floor Units ...
Страница 32: ...29 FB009GMFILCFHD FB012GMFILCFHD UB018GMFILCFHD ...
Страница 33: ...30 UB018GMFILCFHD CB036GMFILCFHD CB048GMFILCFHD ...
Страница 34: ...31 RB036GMFILCFHD RB048GMFILCFHD ...
Страница 35: ...32 UB036GMFILCFHD UB048GMFILCFHD ...
Страница 36: ...33 UB036GMFILCFHD UB048GMFILCFHD ...
Страница 37: ...34 6 2 Outdoor Unit YN009GMFI22RPD YN012GMFI22RPD ...
Страница 38: ...35 YN018GMFI22RPD ...
Страница 39: ...36 YN024GMFI22RPD ...
Страница 40: ...37 YN036GMFI17RUD ...
Страница 41: ...38 YN048GMFI17RUD ...
Страница 42: ...39 Outdoor Controller Set of For YN009GMFI22RPD YN012GMFI22RPD For YN018GMFI22RPD ...
Страница 44: ...41 RB009GMFILCFHD Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 45: ...42 RB012GMFILCFHD Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 46: ...43 RB018GMFILCFHD Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 47: ...44 RB024GMFILCFHD Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 48: ...45 RB036GMFILCFHD Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 49: ...46 RB048GMFILCFHD Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 58: ...55 12 Field Wiring 36 000 and 48 000 BTU Models ...
Страница 100: ...97 P U P V ...
Страница 101: ...98 P W P N ...
Страница 116: ...113 4 Remove the evaporator support board 5 Screw off the fixing screws to remove the evaporator 4 screws 1 screw ...