Midea EL-KF20GW/N2Y-A(B) Service Manual page 24

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