3-94
YES
No clogging
NO
NO
YES
YES
NO
No clogging
YES
YES
No blockage
Are characteristics of
Pd sensor/Ps sensor output
voltage normal?
Is SV2 valve coil
normally connected?
Is there a blockage
in SV2 valve circuit?
Is there a blockage
in SV3B valve circuit?
Is there a blockage
in capillary between gas pipe and
heat exchager liquid line?
Check interface P.C. board.
Pd sensor/Ps sensor error.
Modify connector connection
(SV2 : CN312)
NO
Correct connection
of connectors
(CN300 and CN301).
Replace SV2 valve.
Replace blockage part.
YES
NO
Are connection of outdoor
PMV A connectors normal?
Are operations of outdoor
PMV A normal?
PMV A error
Replace SV2 valve.
NO
YES
Replace the check valve
In there blockage in
the check valve to interrupt
the liquid line?
Heat pump model
Cooling only model
Check code
Operation cause
[dd]
Outdoor refrigerant leakage
detection
1. Blockage of check valve to interrupt the liquid line.
2. Outdoor PMV A error
3. Pd sensor/Ps sensor error
4. Blockage in SV2 valve circuit
5. Blockage in SV3B valve circuit
6. Blockage in capillary of bypass between gas pipe and heat
exchanger line
Содержание MMC-P0151H
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Страница 216: ...TOSHIBA CARRIER CORPORATION 336 TADEHARA FUJI SHI SHIZUOKA KEN 416 8521 JAPAN ...