Service diagnosis
Domestic Air Conditioner
6.3.12 High work-intense protection
Outdoor display LED1 flash 21 times
Method of High work-intense control is activated in the heating mode if the temperature
Malfunction being sensed by the heat exchanger thermistor exceeds the limit.
Detection
Malfunction Activated when the temperature being sensed by the heat exchanger
Decision rises above 65
ć
twices in 30 minutes.
Conditions
Supposed
Ƶ
Faulty electronic expansion valve
Causes
Ƶ
Dirty heat exchanger
Ƶ
Faulty heat-exchange sensor
Ƶ
Insufficient gas
Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or
else parts damage may be occurred.
Electrify the machine again and turn it on with the
remote controller, check whether the wind
temperature is below 65
ć
The malfunction is reported
after the machine has run
for some time?
1
ǃ
Check room temperature and
pipe temperature sensor.
2
ǃ
the temperature monitoring circuit
of the indoor mainboard
The indoor unit blows poorly
due to blocked filters or poor
condition of the fan?
1) Clean the filters
2) Reinstall the fan.
Use some tools to measure the pressure of system
ˈ
YES
NO
YES
NO
55
Содержание YJHMXH007BARR-FX
Страница 14: ...Connector wiring diagram 12 Domestic air conditioner CN9 CN10 CN36 CN3 CN23 CN24 CN25 CN28 PCB 1 ...
Страница 15: ...Connector wiring diagram 13 Domestic air conditioner PCB 2 CN1 CN5 CN6 CN7 CN10 CN11 CN8 CN9 CN4 CN3 CN2 ...
Страница 70: ...WARNING CAUTION 68 Installation ...
Страница 76: ...74 Installation ...
Страница 79: ...Pressurize for over 3 minutes at 4 2MPa After above 77 Installation ...
Страница 83: ...81 Domestic air conditioner Removal of procedure 9 ...
Страница 86: ...84 Domestic air conditioner Removal of procedure three 3 HOOKS ...
Страница 87: ...85 Domestic air conditioner Removal of procedure horizontal flap flap flap flap flap ...
Страница 89: ...87 Domestic air conditioner Removal of procedure ...
Страница 90: ...Domestic air conditioner Removal of procedure 3 88 ...
Страница 91: ...Domestic air conditioner Removal of procedure 89 ...
Страница 92: ...Domestic air conditioner Removal of procedure 90 ...
Страница 93: ...Domestic air conditioner Removal of procedure Outdoor Unit Removal of Outdoor Panel 91 ...
Страница 94: ...92 Domestic air conditioner Removal of procedure Loosen the top panel screws 1 2 Lift the top panel ...
Страница 95: ...93 Domestic air conditione Removal of procedure Loosen the csrews and pull the panel ...
Страница 97: ...95 Domestic air conditioner Removal of procedure ...
Страница 98: ...96 Domestic air conditioner Removal of procedure ...
Страница 99: ...97 Domestic air conditioner Removal of procedure 2 Loosen the fixing screws and remove the motor ...
Страница 100: ...98 Domestic air conditioner Removal of procedure ...
Страница 101: ...99 Domestic air conditioner Removal of procedure and remove the reactor Loosen the screw ...
Страница 102: ...100 Domestic air conditioner Removal of procedure Loosen the marked screws and pull out the backgurd ...
Страница 110: ...The end ...