
135
16.4.14. J2 Malfunction
Malfunction conditions
When the compressor discharge temperature (T5) is more
than 115
℃
for 10 seconds, the compressor will stop
and not
restart until T5 is less than 90
℃
.
Possible causes
●
Refrigerant leakage
●
Wiring mistake
●
Faulty discharge temperature sensor
●
Faulty outdoor PCB
J2 displayed
J2 displayed
Temperature protection of
compressor discharge
Temperature protection of
compressor discharge
Is the compressor discharge
temperature more than 115°C
?
Is the compressor discharge
temperature more than 115°C
?
Are
the
compressor
discharge
temperature
sensor and PCB connected
properly according to the
wiring diagrams?
Are
the
compressor
discharge
temperature
sensor and PCB connected
properly according to the
wiring diagrams?
Measure the resistance value
of compressor discharge
temp. sensor. If the value is
not normal
, refer to the
Appendix
2. Does a problem stil
exist?
Measure the resistance value
of compressor discharge
temp. sensor. If the value is
not normal
, refer to the
Appendix
2. Does a problem stil
exist?
No
Yes
Yes
No
Correct the wiring connection
Correct the wiring connection
Stop the leak and add refrigerant
Stop the leak and add refrigerant
Replace the compressor discharge temp. sensor
Replace the compressor discharge temp. sensor
No
Yes
Replace high pressure valve assy
Replace high pressure valve assy
Yes
No
Replace outdoor main PCB.
Does a problem still exist?
Replace outdoor main PCB.
Does a problem still exist?
No
Is refrigerant leaking?
Is refrigerant leaking?
Содержание CTBU-09HWFN1-M(C)
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 21: ...18 2 3 4 7 Outside Water Pump for Optional When Ceiling Installation...
Страница 29: ...26 Console Units 1 6 D ra in p ip e 1 9 5 H a n g in g a rm U n it m m 7 0 0 6 0 0 2 1 0...
Страница 36: ...33 Console Units Ceiling floor Units...
Страница 41: ...38 CFAU 09HRFN1 M C CFAU 12HRFN1 M C MCD 36HRFN1 M C MCD 48HRFN1 M D...
Страница 42: ...39 CTBU 36HWFN1 M C CTBU 48HWFN1 M C...
Страница 43: ...40 MUEU 18HRFN1 M C MUEU 24HRFN1 M C MUE 36HRFN1 M C...
Страница 44: ...41 MUE 48HRFN1 M C MUE 60HRFN1 MW...
Страница 45: ...42 MUE 36HRFN1 M C MUE 48HRFN1 M C...
Страница 46: ...43 MUE 60HRFN1 MW MTIU 09HWFN1 M MTIU 12HWFN1 M MTIU 18HWFN1 M MTIU 24HWFN1 M...
Страница 49: ...46 MOBA30 09HFN1 MT0W MOB30 12HFN1 MT0W...
Страница 50: ...47 MOD30 24HFN1 MT0W MOD01 23HFN1 MT0W...
Страница 51: ...48 MOD30U 36HFN1 M...
Страница 57: ...54 CTBU 09HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 58: ...55 CTBU 12HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 59: ...56 CTBU 18HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 60: ...57 CTBU 24HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 61: ...58 CTB 36HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 62: ...59 CTB 48HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 78: ...75 12 Field Wiring 9K 24K 36K 48K 60K...
Страница 79: ...76...
Страница 129: ...126 P U P V...
Страница 130: ...127 P W P N...
Страница 147: ...144...
Страница 157: ...154 4 Remove the evaporator support board 5 Screw off the fixing screws to remove the evaporator 4 screws 1 screw...
Страница 193: ...190 5 Remove the four fixing screws of the fan motor then remove the motor 5...
Страница 206: ...203 6 Remove the grounding screw 7 Remove the Wires 1 2 3 or L1 L2 S Then remove the electronic control box 7...