1
2
3
(4)
NO.
Fault
Causes
Methods of checking and modifying
NO
Working
NO
voltage
output
Others
No Voltage Input
Switch is on OFF
Fuse burnt
Check each connecting fitting, make sure each connecting point is well
Turn ON on
Replace Fuse with which is same model
Protective Stage of
Over or Low Voltage
Over-Load protection
Over-heating protection
Poor welding
Checking each connecting point. Make sure well connection.
Interior malfunction
refer to service station or qualified personnel
Shut off Protect machine in case of security for input voltage is high or low
Take out some electrical appliances it will resume after 5 SEC time delay
Manual working cooling or take out some appliances it will resume after 5 SEC time delay
By-pass or not
Normal working or swift regulator voltage situation (swift by-pass and regulator switch)
8. MALFUNCTION ANALYSIS AND MAINTAINCE
9. Seven (Single) Color LCD Screen
5
