Midea SEL-KF20GW/Y-A(B), Руководство по обслуживанию

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GD Midea Refrigerant Equipment Co. Ltd Service manual for Electrolux split Series
23
Abnorm al n oise
from the indoor unit
Does it happ e n in
Fan On ly mod e?
Yes No
Does it happ en with
aut o swing? Check t he
s wing mo to r.
Yes
Check t he
s wing lou ver .
Chec k t he fa n
motor .
No
Chec k t he cross flow
fan .
Replace the b ear.
Does it jus t happ en
in th e beginning of
c oolin g or heat in g
mode? It is b ecaus e
of the h eat
rub be tween
plas tics parts .
It is n orma l.
Yes
Chec k the inp ut
and output pip e.
No
R ecy c le the ref rig e-
r ant and rec ha rge.
Abnorm al noise
fro m the outdoo r
uni t
D oes it happ en in
C ool mode?
Yes
Do th e fan blade rub
with t he s hroud? Chec k t he
motor.
Yes
Chec k t he
fan blad e.
C hec k t he fixing nut s
of outdoo r unit.
No
Chec k t he
motor
s upporter.
Chec k t he c apillary.
C hec k t he
c o mpress or.
No
Re cy c le the ref rig e-
ran t and recharg e.
PROBLEM CAUSE REMEDY
Power failure Check the power cord.
Wiring failure Check the wiring. Replace the terminates or wires if failure.
Transformer failure Check the input and the output on transformer. Replace if failure.
Not operating
Indoor PCB failure Replace after checked failure.
Cross flow fan failure Replace the fan if cracked, out of balance, or partially missing.
Loose screws Tighten them.
Worn bearings Replace after checked failure.
Indoor abnormal
noise.
Motor failure
Replace the motor if knocking sounds continue when running or loose,
or the motor hums or noise appears to be internal while running.
Fan blade failure Replace the fan blade if cracked, out of balance, or partially missing.
Loose screws Tighten them.
Motor failure
Replace the motor if knocking sounds continue when running or loose,
or the motor hums or noise appears to be internal while running.
Compressor failure Replace the compressor if sounds coming from inner of the compressor.
Outdoor
abnormal noise.
Copper tubing
Remove the cabinet and carefully rearrange tubing not to contact
cabinet, compressor.
Display board or
indoor PCB failure Replace the display board. If it is still false, replace the PCB.
Battery failure
Check the voltage of battery. Replace batteries if the voltage is lower
than 2.3V.
Remote control
failure.
Remote control failure
Normally, the remote control is not easy to damage. If the above two
methods are not effectual, replace the remote control.