Service diagnosis
Domestic Air Conditioner
6.3.4 Outdoor DC fan motor fault
Outdoor display LED1 flash 9 times
Method of DC fan motor is detected by checking the fan running condition and so on
Malfunction
Detection
Malfunction when the data of EEPROM is error or the EEPROM is damaged
Decision
Conditions
Supposed
Ƶ
DC fan motor protection dues to the DC fan motor faulty
Causes
Ƶ
DC fan motor protection dues to faulty PCB
Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage
may be occurred.
Check whether Terminal on the outdoor
mainboard is well inserted.
Is it normal?
Yes
NO
Reinsert the terminals
Electrify the machine again and turn it
on in the Cool state with the remote
controller. check whether motor can
run
˛
Yes
Measure the voltage between 3 and 6 of
the terminal about 0-5v.
Is it normal?
N0
the motor of the outdoor unit is damaged and
needs replacing.
Measure the voltage between 1 and 3 of the terminal of
fan motor on the mainboard about DC310V, Measure
the voltage between 3 and 4 of the terminal about
DC15V. Measure the voltage between 5 and 3 of the
terminal about 1-6v.
NO
Is it normal?
The mainboard of the outdoor unit is
damaged and needs replacing
N0
Yes
Yes
46
Содержание York FREE MATCH EK-Series
Страница 15: ...Connector Wiring Diagram 13 Domestic Air Conditioner PCB 2 CN1 CN5 CN6 CN7 CN10 CN11 CN8 CN9 CN2 CN3 CN4 ...
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 ...