11.4.4 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
Service diagnosis
Domestic air conditioner
53
Содержание Z/N-Series
Страница 11: ... Pinping diagrams Domestic air conditioner 4ˊPinping diagrams 9 ...
Страница 12: ... Operation range Domestic air conditioner 5ˊOperation range 10 ...
Страница 15: ...CN9 CN10 CN36 CN3 CN23 CN24 CN25 CN28 PCB 1 Wiring diagram Domestic air conditioner 13 ...
Страница 16: ...PCB 2 CN1 CN5 CN6 CN7 CN10 CN11 CN8 CN9 CN4 CN3 CN2 Wiring diagram Domestic air conditioner 14 ...
Страница 17: ...Wiring diagram Domestic air conditioner 15 ...
Страница 33: ...Dimensinal drawings Domestic air conditioner 8 Dimensional drawings 9 Center of gravity Outdoor unit 31 ...
Страница 36: ...WARNING CAUTION Installations Domestic air conditioner 34 ...
Страница 37: ...Installations Domestic air conditioner 35 ...
Страница 38: ...Installations Domestic air conditioner 36 ...
Страница 39: ...Installations Domestic air conditioner 37 ...
Страница 40: ...Installations Domestic air conditioner 38 ...
Страница 41: ...Installations Domestic air conditioner 39 ...
Страница 42: ...Installations Domestic air conditioner 40 ...
Страница 45: ...Pressurize for over 3 minutes at 4 2MPa After above Installations Domestic air conditioner 43 ...