Service manual

SE R VICE MANUA L
PFL612W-U
Front Load W ashing Machine
Error message. Motor overheat protection or is damaged.
Tr oubleshoo t ing:
Error message. Wa ter level excee ds protection value.
Tr oubleshoo t ing:
Y
Cut off po wer and check if motor wi re s
are connected well
Reconnect we ll
Y
Measure if th e resis t ance of motor
binding by mu ltimete r, is it as
follo w ed?
5-10 [0.75 5 /1.76 (at
20 C)] ;
8 -9[ / (a t
20
C)] ;
;
N
Ch ec k if water sw it ch ho se a nd air co ll ec tor
are ja
mme d
Cl ea nwatersw it ch hose a nd air
co
ll ec tor
N
Pull out wa ter sw itc h inserts and tu rn on
po wer, then set wash mode. wh il ewa te r
is entering at the position of 3/4 glass
wi
ndo w, ch eck the resistance bet ween 11
an d16,is it 0?C he ck t he re sis t an ce
be tw ee n 11and 14 , is it infinite?
Re place water pressure sw it ch
N
N
Y
Y
Without star ti ng but el ec t rif y ing ,me as ure
the import voltage
of inlet valve, is it
bet w ee nAC220- 240 V?
Replace PCB
Y
Y
Put the mot or in normal tem per atur e
about ten minu t es, and then tes t
aga in. If t he res istan ce is n at ural, it
is caused by overheated pr otectio n.
Then check and dea lwith
overload, abnormal vol t age. If not ,
pl
ea s e rep l ace m otor
N
Without power ,co nn ect inlet pipe to inlet
valv
e, th en open th etapandobserve if
wa ter is ente ri ng in dispenser
Y
Replace inlet valve
Re pair wi res
Pull out th ewire connection of motor
and driving co m puter board. Then
check if circuit is open by multimeter