Service diagnosis
Domestic Air Conditioner
6.3.9 Overheat Protection For Discharge Temperature
Outdoor display: LED1 flash 8 times
Method of The Discharge temperature control is checked with the temperature being detected
Malfunction by the Discharge pipe thermistor
Detection
Malfunction when the compressor discharge temperature is above 110
ć
Decision
Conditions
Supposed ■ Electronic expansion valve defective
Causes ■ Faulty thermistor
■ Faulty PCB
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,
then measure the temperature at the exhaust temperature sensor of
the compressor on the outdoor unit
The temperature exceeds
110
ć
shortly after the
machine starts up?
1) The cryogen may have been leaked during
installation, or there may be leakage in the piping
system.
2) There may be other causes to make the exhaust
temperature too high.
Malfunctions occur after running for some time even
though the measured temperature is below 110
ć
. Pull
out the exhaust sensor and measure its resistance at
standard temperatures according to the
resistance-temperature table
The results deviate
much?
The sensor is damaged. Replace the sensor
with a new one.
The outdoor mainboard is damaged and needs be
replaced
YES
NO
NO
YES
51
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 ...