127
16.3.12. J0 Malfunction
Malfunction conditions
When evaporator coil temperature is more than 60°C, the unit stops. It starts again
only when the evaporator coil temperature is less than 54°C
Possible causes
Faulty evaporator coil temperature sensor
Dirty heat exchanger
Faulty fan
Faulty PCB
J0 displayed
J0 displayed
Evaporator high temperature protection
Evaporator high temperature protection
Is the compressor operating?
Is the compressor operating?
Yes
Is the outdoor ambient
temperature is higher than 30
℃
?
Is the outdoor ambient
temperature is higher than 30
℃
?
No
Correct the connection
Correct the connection
No
Is the connection
between T2 and The
PCB is in working order?
Have T2 and T2B been
reversed?
Is the connection
between T2 and The
PCB is in working order?
Have T2 and T2B been
reversed?
Is the resistance of T2
normal according to
Appendix
1?
Is the resistance of T2
normal according to
Appendix
1?
Replace the temperature sensor
Replace the temperature sensor
No
Yes
Yes
Stop the unit
Stop the unit
Yes
Is the air-outlet blocked?
Is the air-outlet blocked?
Are the heat exchanger and
filter dirty
?
Are the heat exchanger and
filter dirty
?
Is the indoor fan running
normally?
Is the indoor fan running
normally?
No
Yes
Clean the air-outlet
Clean the air-outlet
Replace the indoor main
PCB
Replace the indoor main
PCB
Clean the heat exchanger and filter
Clean the heat exchanger and filter
Yes
No
Yes
Refer to the solution for the
malfunction of the fan speed being out
of control . Find the cause and resolve
the problem
Refer to the solution for the
malfunction of the fan speed being out
of control . Find the cause and resolve
the problem
No
No
Содержание CCA3U-09HRFN1-MC
Страница 8: ...5 2 2 Part names of Indoor Outdoor units Cassette Units ...
Страница 9: ...6 A5 Duct Units A6 Duct Units ...
Страница 10: ...7 Console Units ...
Страница 11: ...8 Ceiling floor Units ...
Страница 12: ...9 HESP DUCT Units ...
Страница 31: ...28 Console Units 16 Drain pipe 195 Hanging arm Unit mm 700 600 210 ...
Страница 38: ...35 Console Units Ceiling floor Units ...
Страница 43: ...40 CFAU 09HRFN1 M C CFAU 12HRFN1 M C MCD 36HRFN1 M C MCD 48HRFN1 M D ...
Страница 44: ...41 CTBU 36HWFN1 M C CTBU 48HWFN1 M C ...
Страница 45: ...42 MUEU 18HRFN1 M C MUEU 24HRFN1 M C MUE 36HRFN1 M C ...
Страница 46: ...43 MUE 48HRFN1 M C MUE 60HRFN1 MW ...
Страница 47: ...44 MUE 36HRFN1 M C MUE 48HRFN1 M C ...
Страница 48: ...45 MUE 60HRFN1 MW MTI 18HWFN1 MT0W MTIU 24HWFN1 MW ...
Страница 49: ...46 MTIU 36HWFN1 MW MTIU 48HWFN1 MW MHG 60HWFN1 MW ...
Страница 51: ...48 MOBA30 09HFN1 MT0W MOB30 12HFN1 MT0W ...
Страница 52: ...49 MOD30 24HFN1 MT0W MOD01 23HFN1 MT0W ...
Страница 53: ...50 MOD30U 36HFN1 M ...
Страница 59: ...56 CTBU 09HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 60: ...57 CTBU 12HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 61: ...58 CTBU 18HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 62: ...59 CTBU 24HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 63: ...60 CTB 36HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 64: ...61 CTB 48HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 74: ...71 12 Field Wiring 36K 48K 60K ...
Страница 123: ...120 P U P V ...
Страница 124: ...121 P W P N ...
Страница 141: ...138 ...
Страница 151: ...148 4 Remove the evaporator support board 5 Screw off the fixing screws to remove the evaporator 4 screws 1 screw ...
Страница 187: ...184 5 Remove the four fixing screws of the fan motor then remove the motor 5 ...
Страница 200: ...197 6 Remove the grounding screw 7 Remove the Wires 1 2 3 or L1 L2 S Then remove the electronic control box 7 ...