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Troubleshooting
Diagnostic Procedure for Check Code
79
14
Check code
Operation cause
1. Connector misconnection of Pd/Ps sensors
[Ab]
2. Pd/Ps sensor error
Pressure sensor misconnection
3. Compressor inverse operation, compressor error
Is the pipe connection
position of Pd sensor/Ps
sensor correct
?
Are the output voltage
characteristics of Pd sensor/Ps
sensor normal
?
Check connection.
Pd sensor: CN501
Ps sensor: CN500
Check the interface board.
Check compressor.
Sensor error
No
Yes
No
Yes
Are the pressure
characteristics normal when
compressor is operating
?
Yes
No
Is the wiring of compressor
normal
?
Yes
No
Modify wiring.
[
]
Содержание MM-A0160HX
Страница 1: ...Service Manual Air Conditioner Multi Split Type System Modular Multi System HFCR407C A90 0130 ...
Страница 2: ......
Страница 123: ...124 19 Exploded Views and Service Parts Outdoor Units MM A0280HT MM A0280HX MM A0224HT MM A0224HX ...
Страница 133: ...134 20 Additional Literature and Contacts ...
Страница 134: ...135 20 Additional Literature and Contacts ...
Страница 135: ...TOSHIBA AIR CONDITIONING www toshiba aircon co uk MADE IN UK A90 0130 Revised April 2001 ...