GD Midea Refrigerant Equipment Co. Ltd Service manual for Electrolux split Series
22
Cur r ent protectio n
(LED indi cates)
Chec k t he indoor
air filt er.
Does outdo o r heat -
ex changer fr os ted?
No
It is n orma l under
tha t ambient temp .
Che ck t he
dra inage
s ys tem of
out door unit.
Yes
Does ind oor heat -
ex chan g er fros ted?
Yes
Check s p eed
of in door
motor.
Yes
No
Doe s the outdoo r
temp over 48 C?
o
Chec k the out door
c ondenser.
D oes it oc cur in
C ool mode?
Che ck s peed
of o utdoo r
mo tor.
Yes
Chec k t he ov er-
c urre n t prot ect or of
c omp ressor.
No
Re place the
ma in PCB board .
Re place the
c o mpress or.
Recyc le the
refrigerant
and recharge .
No
Doe s the ind oor
temp low than 1 0 C?
o
Yes
No
Chec k t he s olenoid
c oil o f rev e rse valv e.
C hec k t he ov e r-
c urre nt prot ec t or of
c ompress or.
Replace th e
main PCB board.
Recy c le the ref rig e-
rant and rec h arge.
R eplace the re vers e
v alv e.
Che c k t he pos itio n
and wiring of tem p
s en sor (all of the m).
If wro ng, t he unit w ill
res ult in c urrent
prote ction, not tem p.
C hec k the s oft
s t arter mou ld.
Chec k t h e s oft
s tarter m ou ld.
T he unit does not
o per ate
Does the power LED
light af ter turning
the switc h on?
C hec k t he elec t rical
s o urce.
No
Chec k the po wer
s upplie r.
Does the volt ag e
bet wee n inpu t
terminat es o f
trans former i s
c orre ct?
Does the volt ag e
bet wee n outp ut
terminat es o f
trans former i s
c orre ct?
D oes the power
tr ans fer to t he
di sp lay boa rd ?
Rep lace the ma in
PCB b oard.
Yes
Yes
No
Chec k wirin g.
Replac e the
trans fo rmer.
No
No
Do th e LED lamps
indicat es ERR?
Ye s
Per f orm
the related
inst ruct io ns.
Yes
No
Is th ere beep from
the unit when using
remoter?
Ch ec k t he s oft
s ta rter
Ch ec k t he bat ter y
of the remot er.
N o
Chec k t he dis pla y
board .
Replac e the
disp lay boa rd .
Yes
No
Replace the
disp lay boa rd .
Yes
Yes
Does the unit run in
Forced Co ol m ode?
