Self - diagnosis function and Checking points
Error Indication
Operation
(RED)
Timer
(GREEN)
Error
(Protection)
Diagnosis Method
0.5 sec
2 times
The detection value of the outdoor heat exchanger thermistor is either open or shorted.
> Compressor, outdoor fan : OFF (It automatically releases when the normal value is detected.)
The detection value of the outdoor temperature thermistor is either open or shorted.
> Compressor, outdoor fan : OFF (It automatically releases when the normal value is detected.)
0.5 sec
3 times
07-04
Forced auto switch error
Outdoor temperature ther-
mistor error
Outdoor heat exchanger
thermistor error
Discharge thermistor error
The detection value of the discharge thermistor is either open or shorted.
> Compressor, outdoor fan : OFF (It automatically releases when the normal value is detected.)
[Diagnosis Point]
Check thermistor resistance value (Refer to "Thermistor characteristics table").
Controller PCB defective.
[Diagnosis Point]
Check thermistor resistance value (Refer to "Thermistor characteristics table").
Controller PCB defective.
[Diagnosis Point]
Check thermistor resistance value (Refer to "Thermistor characteristics table").
Controller PCB defective.
Forced auto switch becomes ON for 30 consecutive seconds.
> It indicates the error but the operation continues.
[Diagnosis Point]
Check if forced auto switch is kept pressed.
Forced auto switch defective.
Controller PCB defective.
After 2 minutes 20 seconds of stopping operation, the signal from outdoor unit is received even though the main relay is OFF.
> Main relay OFF continues (outdoor unit OFF command)
[Diagnosis Point]
Main relay defective
Controller PCB defective.
The power supply frequency can not be recognized after 4 seconds of power ON.
> Permanent stop.
[Diagnosis Point]
Controller PCB defective.
Main relay error
Power supply frequency
detection error
0.5 sec
3 times
0.5 sec
4 times
0.5 sec
2 times
0.5 sec
3 times
0.5 sec
4 times
0.5 sec
4 times
0.5 sec
8 times
Compressor Temperature
Thermistor Error
The detection value of the compressor thermistor is either open or shorted.
> Compressor, outdoor fan : OFF (It automatically releases when the normal value is detected.)
[Diagnosis Point]
Check thermistor resistance value (Refer to "Thermistor characteristics table").
Controller PCB defective.
Содержание AW?Z24LBC
Страница 4: ...1 SPECIFICATIONS R410A CEILING WALL type INVERTER ...
Страница 6: ...2 DIMENSIONS R410A CEILING WALL type INVERTER ...
Страница 7: ... Unit mm DIMENSIONS INDOOR UNIT 02 01 Models AW Z24LBC 300 298 899 250 170 40 ...
Страница 9: ...3 REFRIGERANT SYSTEM DIAGRAM R410A CEILING WALL type INVERTER ...
Страница 11: ...4 CIRCUIT DIAGRAM R410A CEILING WALL type INVERTER ...
Страница 14: ...5 DESCRIPTION OF EACH CONTROL OPERATION R410A CEILING WALL type INVERTER ...
Страница 36: ...6 REFRIGERANT CAUTION R410A R410A CEILING WALL type INVERTER ...
Страница 53: ...IPM Protection Checking Points Check the following points and locate the cause in the outdoor unit Cause ...
Страница 63: ...9 REPLACEMENT PARTS R410A CEILING WALL type INVERTER ...
Страница 64: ...REPLACEMENT PARTS 09 01 Models AW Z24LBC ...
Страница 65: ...REPLACEMENT PARTS 09 02 Models AW Z24LBC ...
Страница 66: ...REPLACEMENT PARTS 09 03 Models AW Z24LBC ...
Страница 67: ...REPLACEMENT PARTS 09 04 Models AO Z24LBT ...
Страница 68: ...REPLACEMENT PARTS 09 05 Models AO Z24LBT ...
Страница 91: ...REPLACEMENT PARTS 09 28 PROCESS Wiring ...
Страница 92: ...REPLACEMENT PARTS 09 29 PROCESS Wiring ...
Страница 93: ...REPLACEMENT PARTS 09 30 Model AO Z24LBT PROCESS Wiring ...
Страница 94: ...10 INSTALLATION MANUAL R410A CEILING WALL type INVERTER ...
Страница 97: ...1116 Suenaga Takatsu ku Kawasaki 213 8502 Japan FEB 2007 Printed in Japan ...