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Nevir NVR-4493 CH-145 Manual page 8

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V.Ordinary troubles and remedies.
Phenomenon/
Red light not functioning
Green light not functioning
Non-stop running of machine
Too noisy
Compressor not working but
red and green light working.
Problem Cause
No Electricity
Fuse Broken
Loose plug and socket
With Electricity
Loose red bulb
Broken red bulb
Compressor working
Loose green bulb
well
Broken green bulb
Loose thermostat
Compressor not working
Loose thermostat
Thermostat damage
Does not refrigerate well
Thick frost on surface
Door open frequently
Too much food stored
Refrigerate well
R134a/R600a
Leaked
Set temp.<ambient
temp
Thermostat not
working
Refrigerator installed on an uneven ground
Loose screws at condenser or compressor
Loose of starting relay or heat preventing socket
Compressor damaged
Voltage less than 187V
Insp.Content
Check fuse
Check for loose
contact
Check for loose
contact
Remove red bulb
Check for loose
contact
Remove green
bulb
Check thermostat
Check for loose
contact
Check for short
circuit
Check thickness
<=5mm
Check temp level
"5-6"
Check universal
wheels
Check for loose
screws.
Check damaged
contact
Check the voltage
level
8
Remedy
Replace fuse
Replace or service socket
Tighten the bulb
Replace red bulb
Tighten the bulb
Replace the bulb
Tighten the thermostat
Tighten the thermostat
Replace thermostat
Defrost time
Avoid open
Lessen the quantity.
Adjust level to "2-4"
Replace thermostat
Put on a level and even
ground
Tighten the loose screws
Tighten the connection
Repair/Service
Compressor
Use a power regulator
Remark

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