Yeswelder YWA-160, User Manual, Page: 14 / 24

MAINTENANCE
SAFETY PRECAUTIONS
A WARNING
ELECTRIC SHOCK can kill.
• Have an electrician install and service
this equipment.
• Turn the input power off at the fuse box,
disconnect supply lines and allow ma-
chine to sit for five minutes minimum to al-
low the power capacitors to discharge be-
fore working inside this equipment.
• Do not touch electrically hot parts
INPUT FILTER CAPACITOR
DISCHARGE PROCEDURE
A WARNING
For any maintenance or repair operations it is recommended
to contact YESWELDER, support@yeswelder.com or per
sonnel will null and void the manufacturers warranty
A WARNING
The machine has internal capacitors which are charged to a
high voltage during power-on conditions. This voltage is dan-
gerous and must be discharged
before the machine can be
serviced. Discharging is done automatically by the machine
each time the power is switched off However, you must al-
low the machine to sit for at least 5 minutes to allow time for
the process to take place
ROUTINE MAINTENANCE
The frequency of the maintenance operations may vary in ac-
cordance with the working environment. Any noticeable dam
age should be reported immediately
• Check cables and connections integrity. Replace, if neces-
sary
• Clean the power source inside by means Of low - pressure
compressed air.
• Keep the machine clean. Use a soft dry cloth to clean the
external case, especially the airflow inlet / outlet louvers
A WARNING
Do not open this machine and do not introduce anything into
its openings.
Power supply must be disconnected from the
machine before each maintenance and service. After each re
pair, perform proper tests to ensure safety
A CAUTION
Power supply must be disconnected from the machine be-
fore each maintenance and service. Always use gloves in
compliance with the safety standards
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