Abnormal Phenomena - Haier BD-103GAA Service Manual

SERVICE MANUAL
Model: BD-103GAA

8-2. Abnormal phenomena

8-2-1. Compressor doesn't start
Com pressor
doesn' t start
Y
W hether lighting
and display system is
normal
Y
W hether the
grade of therm ostat is
on 0
N
W hether the
resistance of compressor is
infinite or 0
N
W hether the
starting current is
about 5A
N
W hether PTC starter抯
resistance between running jack
and starting jack is 16-50 O
Y
M easure whether
two ends of heat protector
is through
Y
W hether the finger
of multimeter swing to 0 quickly
and then swing back slowly
when m easuring two
poles of capacitance
Y
W hether
compressor抯 pin is tight,
contact
is good
Y
W hether input
and output voltage of main
control board is normal
Y
W hether each
contact of main control board
is norm al
Tighten each
contact and test machine
again
N Trouble of lighting and display system
Y Adjust the grade according to fact
Compressor is open circuit or short
Y
circuit
Y Inner trouble of com pressor
If it is infinite or 0, then the starter is
N
out of work.
N Heat protector is out of work
N Capacitance is out of work
N Insert again, electrify and test
N Main control board is out of work
Com pressor doesn' t start
sometim es because the
tem perature in case is
between starting and stop
temperature, should pay
attention when do test
Issue 2009-12-17
Ref0912S015V0
Rev.
Adjustm ent of thermostat
Temperature of
environm ent
>30℃ 1-3 grade
16-30℃ 3-5grade
<16℃ 5-7grad
20