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Haier HRF-521DS6 - Chapter 8 Trouble Shooting and Fault Detecting

Haier HRF-521DS6
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SERVICE MANUAL
Model: HRF-521DS6
20
Issue 2016-09-07
REF. Ref 1609S025V0.
Chapter 8 Trouble shooting and fault detecting
8-1. Frequent problem
Nu
m
fault
phenomenon
Detection method
Maintenance
measures
Use tools
1
Do not powe
r
on
1Detect whether main control panel, display panel
and frequency conversion panel is matching ;
2detect whether frequency conversion panel and
main control panel is connected properly;
3Detect whether Connecting line between
frequency conversion panel and compressor is
normal;
4 Detect whether main control panel outpu
t
frequency signal
5 Enter the mandatory start to detect whethe
r
compressor is working;
Replace
correct
Component
Screwdriver
multimete
r
2
Door body is
uneven
Side by side series:
1Minor unevenness can adjust bottom foot;
2 Large height difference can increase the gasket
in the lower hinge parts;
3
A
djustable hinge door body can adjust hinge to be
even;
Adjust & Repair
Screwdriver
multimeter
poke rod
3
Fridge is in
deep freeze
cooling
1Closing the fridge air outlet, detect air outlet
position and assembly whether cold air blowing
around, if that is not tightly sealed;
2Take fridge electric air outlet apart, repeatedly
switching freezer, detect whether air door can freely
switch on/off, and close closely;
3If the Department does not move, you can test
damper wiring terminal position and the main control
panel ,and check every line`s conducting state
according to the color;
4If line is normal but throttle can`t act, that means
main control panel or throttle fault; use the normal
throttle or main control panel for testing to confirm
final faulted piece;
5The above detection without problems, test
whether parameters of fridge sensor 1 are normal.
1If throttle is not
tightly sealed,
seal lax part with
Sponge article;
2If padlock is
not tightly closed,
generally throttle
is bad;
3maintain line
section
4Replace the
defective part
5 Replace
sensor.
Screwdriver
multimeter
4
Sometimes
panel shows
fault code, or
displays
1Check connector between freezer sensor and the
box body, and the internal terminal backing out,
ensure contact well;
2Test parameter of freezer sensor;
If terminal take
off, adjust and
repair internal
terminal
Screwdriver

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