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YES
YES
YES
YES
NO
NO
NO
NO
Sensor error
Check interface P.C. board.
Pd sensor : CN501
Ps sensor : CN500
Are pipe connection
positions of Pd sensor/Ps
sensor correct?
Are output voltage
characteristics of Pd sensor/Ps
sensor normal?
Is pressure
characteristics normal when
compressor is operating?
Is wiring of compressor normal?
Modify connector connection.
Modify wiring.
Check compressor.
Check code
Operation cause
[Ab]
Pressure sensor misconnection
1. Connector misconnection of Pd/Ps sensors
2. Pd/Ps sensor error
3. Compressor inverse operation, compressing error
Check code
Operation cause
[AE]
TD1 condition gas leak detection
1. Outdoor unit service valve closed
2. Blockage of check valve to interrupt the liquid line.
3. Outdoor PMV A error or cooling bypass PMV B error
4. TD1 sensor error
5. Insufficient refrigerant, blockage in pipe
6. Blockage of indoor filter.
YES
YES
YES
YES
YES
NO
NO
NO
NO
Open service valve fully.
Cooling bypass PMV B error
Replace TD1 sensor.
Set normal wiring.
Are gas pipe,liquid pipe,
and service valve of the
outdoor unit fully open?
Is cooling bypass PMV B normal?
Is resistance characteristics
of TD1 sensor normal?
Is wiring correct?
Insufficient refrigerant,
blockage, pipe breakage
NO
Repair outdoor PMV A.
1. Connector connection
2. Wiring
3. Coil
4. Valve unit
5. Outdoor P.C. board
Is outdoor PMV A normal?
NO
YES
YES
Replace the check valve
In there blockage in
the check valve to interrupt
the liquid line?
*
In cooling
only model
( )
( )
Check miswiring of the outdoor unit
according to miswiring check function.
Check there is no blockage or pipe
breakage, and then addrefrigerant according
to judgment of refrigerant amount.
Содержание MMC-P0151H
Страница 198: ...3 195 108 109 101 102 133 106 131 105 135 128 104 103 111 110 123 116 132 119 120 121 MMY MP06018 ...
Страница 206: ...3 203 108 109 101 102 133 106 131 105 135 128 104 103 111 110 123 116 132 119 120 121 MMY MP0601H8 ...
Страница 214: ...3 211 108 109 101 102 133 106 131 105 135 128 104 103 111 110 123 116 132 119 120 121 MMY MP0601H7 ...
Страница 216: ...TOSHIBA CARRIER CORPORATION 336 TADEHARA FUJI SHI SHIZUOKA KEN 416 8521 JAPAN ...