GD Midea Refrigeration Equipment Elite Series Technical & Service Manual page 20

Yes
Per f orm Do th e LED lamps
the related indicat es ERR?
inst ruct io ns.
Is th ere beep from
the unit when using
remoter?
Yes
Replace the
Does the unit run in
disp lay boa rd .
Forced Co ol m ode?
Ch eck t he soft
sta rter
Yes
Check t he Does it happ en with
s wing mo to r. aut o swing?
Check t he
Check t he fa n
swing lou ver .
motor .
Check t he cross flow
fan .
Replace the b ear.
Yes
Check t he Do th e fan blade rub
motor. with t he shroud?
Check t he
C heck t he fixing nut s
fan blad e.
of outdoo r unit.
Check t he
motor
supporter.
T he unit does not
o per ate
Ye s
Does the power LED
light af ter turning
the switch on?
No
N o Ch eck t he bat ter y
of the remot er.
Yes
Chec k t he dis pla y
board .
No
Rep lace the ma in
PCB b oard.
Abnorm al n oise
from the indoor unit
Yes
Does it happ e n in
Fan On ly mod e?
No
Abnorm al noise
fro m the outdoo r
uni t
Yes
D oes it happ en in
C ool mode?
No
Check t he capillary.
C heck t he
co mpress or.
No
C heck t he elec t rical
so urce.
Check the po wer
supplie r.
Check wirin g.
Does the volt ag e
bet wee n inpu t
No
terminat es o f
transformer i s
corre ct?
Does the volt ag e
bet wee n outp ut
terminat es o f
transformer i s
corre ct?
D oes the power
No
tr ansfer to t he
di sp lay boa rd ?
No
Does it jus t happ en
in th e beginning of
coolin g or heat in g
mode?
Chec k the inp ut
and output pip e.
R ecy cle the ref rig e-
r ant and recha rge.
No
Re cycle the ref rig e-
ran t and recharg e.
19
Yes
No
Replac e the
trans fo rmer.
Yes
Yes Replace the
disp lay boa rd .
Yes
It is b ecause
of the h eat
rub be tween
plastics parts.
It is n orma l.
No