VEVOR D520S-A - Belt Adjustment and Troubleshooting Basics; Belt Adjustment Procedure; Troubleshooting Machine Start Issues

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Step 3: Clean dust with tools such as vacuum cleaner, high-pressure air
and hairbrush, be careful while cleaning to avoid damaging the fins of the
condenser.
D、Belt Adjustment
After be used over a period of time, the belt of the machine maybe
elongated, so it needs to be adjusted. Disconnected the main power of the
machine, remove the back panel and side panels, adjust the tension bolt
and make sure the belt is in appropriate tension.
V.Trouble shooting guide
Problems
Probable cause
Remedy
Machine
does not
run
Machine not plugged
into the wall receptacle
Plug machine in
The short-circuiting
switch is open
Restart it after it was repositioned
Protect circuit
Remove the trouble
Machine
in clean
position
does not
run
The connecting wire is
unfastened
Check and fasten the wire.
The beater motor broke
Repair or change the beater
motor
Mini circuit breaker was
broken.
Find and solve the problem then
reposition it
Machine
in auto
position
does not
run
The wire of function
switch is unfastened.
Check and fasten the wire.
There is some problem
with control panel.
Change the control panel.
Compress
or does
not run
Low voltage
Solve the problem of low voltage
Contactor broke
change contactor
The relay of the
compressor broke
Change the control panel.
There is some problem
with control panel.
Change the control panel.