
start
no
check if the connector
between pressure
switch and PCB is
fixed badly or damaged
(CN20 on PCB)
no
no
no
check if the 2
straight lugs on
the pressure
switch work badly
if indoor fan motor
cannot startup normally
in heating mode(except
for defrost)
replace main
control board
and check again
yes
yes
yes
replace pressure switch
connector, shut off and
be electrified again,
re-check
replace pressure
switch connector, shut
off and be electrified
again, re-check
check if the
indoor motor has
power input
replace indoor
motor and check
again
Failure 11: Low pressure switch failure
Reason: 1. Too low system pressure causes that the unit stops and the compressor protection works, the failure can
be resumed.
2. Pressure switch wire is not fixed well or in open circuit.
Appendix Sensor characteristic
250
Содержание YHKMXH009BARX-FX
Страница 23: ...3 Dimension 21 ...
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Страница 25: ...4 Piping diagram Liquid pipe Gas pipe Filter Filter EEV Fan Indoor heat exchanger 23 ...
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Страница 56: ...3 Piping diagram Liquid pipe Gas pipe Filter Filter EEV Fan Indoor heat exchanger 54 ...
Страница 67: ...7 Installation YHFMXH012 24BARX FX 65 ...
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Страница 80: ...78 ...
Страница 104: ...3 Dimension 102 ...
Страница 105: ...YHGJXH048BARX GX S YHGJXH060BARX GX S 103 ...
Страница 106: ...3 Piping diagram Liquid pipe Gas pipe Filter Filter EEV Fan Indoor heat exchanger 104 ...
Страница 123: ...7 Installation For AD09 24LS1ERA AD09 24SS1ERA 121 ...
Страница 124: ...122 ...
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Страница 129: ...YHEJXH028BARX GX S YHEJXH036BARX GX S YHEJXH048BARX GX S 127 ...
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Страница 134: ...For YHGJXH048BARX GX YHGJXH060BARX GX 132 ...
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Страница 139: ...137 ...
Страница 146: ...2 Dimension 144 ...
Страница 156: ...4 Wiring connection YJU3YH019BARXA X 154 ...
Страница 186: ...9 Maintenance WARNING CAUTION 184 ...
Страница 187: ...185 ...
Страница 188: ...186 ...
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Страница 190: ...Items to Be Checked 188 ...
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Страница 202: ...For YJU3YH019BARXA X YJU4YH025BARXA X YJU4YH030BARXA X YJU5YH034BARXA X YJU5YH045BARXA X 200 ...
Страница 203: ...201 ...
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Страница 206: ...M 204 ...
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Страница 208: ...206 ...
Страница 209: ...R 207 ...
Страница 210: ... 25 40 0 208 ...
Страница 211: ...209 ...
Страница 213: ...PCB 0151800175 YH3MXH009BARX GX YH3MXH012BARX GX YH3MXH018BARX GX YH3MXH024BARX GX 211 ...
Страница 221: ...PCB 0011800241C 219 ...
Страница 222: ...PCB 0151800054A 220 ...
Страница 223: ...PCB 0151800076 PCB 0151800075 221 ...
Страница 224: ...Power module 0010400352C Power module 0150400908 222 ...
Страница 225: ...Power module 0150400644A Power module 0150400939 223 ...
Страница 226: ...Power module 0151800105 224 ...
Страница 227: ...Power module 0150400643B Filter board 0150400699 225 ...
Страница 228: ...Filter board 0010452726 Filter board 0150400567 Dip switch setting 226 ...