Service diagnosis
3
7
Domestic air conditioner
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
Содержание 1U18TR4ERA
Страница 11: ...Pinping diagrams Domestic air conditioner 4 Piping diagrams 9 EEV EEV ...
Страница 12: ...Operation range Domestic air conditioner 5 Operation range 10 ...
Страница 63: ...Domestic air conditioner Removal of procedure 1 Removal of Outdoor panel 1 ...
Страница 64: ...Domestic air conditioner Loosen the top panel screws 1 2 Lift the top panel Removal of procedure 2 ...
Страница 65: ...Domestic air conditioner Loosen the screws and pull the panel Removal of procedure 3 ...
Страница 66: ...Domestic air conditioner 2 Removal of Electrical Box Removal of procedure 4 ...
Страница 67: ...Domestic air conditioner 3 Removal of Fan and Fan Motor Removal of procedure 5 ...
Страница 68: ...Domestic air conditioner 2 Loosen the fixing screws and remove the motor Removal of procedure 6 ...
Страница 69: ...Domestic air conditioner 4 Removal of Fan Motor Bracket and Partition Removal of procedure 7 ...
Страница 70: ...Domestic air conditioner and remove the reactor Loosen the screw Removal of procedure 8 ...