TROUBLESHOOTING and MAINTENANCE
Operating Manual No: PWOM-215/250MP-001
Page 34
© 2018 Global Welding LLC
6.4
Routine Maintenance and Inspection
Danger! Extremely
dangerous voltages
inside Power
Source
Disconnect Input
Power Supply be-
fore opening Power
Source
Electric shock
can kill
Electrostatic dis-
charge can damage
PC Boards
Remove any metal-
lic particles / dirt
using vacuum
cleaner
Flying metal or
dirt can injure
eyes
Read Operating
Manual
The only routine maintenance required for the Power Source is a thorough cleaning and inspection, with the frequency depend-
ing on the usage and the operating environment.
To clean the Power Source, open the enclosure and use a vacuum cleaner to remove any accumulated dirt and dust. The Power
Source should also be wiped clean, if necessary; with solvents that are recommended for cleaning electrical apparatus.
There are extremely dangerous voltages and power levels present inside this Power Source.
P
RO
-
TEC
advises that
any maintenance or repair work performed on this Power Source be carried out by a
Suitably Trained and Qualified
Tradesperson
.
Do not attempt to repair this Power Source unless you are an Accredited
P
RO
-
TEC
Service Provider and you have had training in
power measurements and troubleshooting techniques.
If major complex subassemblies are faulty, then the Power Source must
be returned to a
P
RO
-
TEC
Service Provider
for repair. R
efer to SECTION 7 – PRO-TEC WARRANTY POLICY
Suitably Trained and Qualified Tradesperson must DISCONNECT the Input Power Supply from the Power Source
before opening the enclosure. Wait at least 5 minutes before opening the enclosure to allow the primary capacitors
to discharge.
There are extremely dangerous voltages and power levels present inside Power Source.
Routine Maintenance Inspection Schedule
Once Per
Day
Visual check gas
regular, gas hose &
gas pressure be-
fore welding.
Visual check the MIG Gun or Spool Gun or TIG
Torch and consumable parts before welding.
Once Per
Week
Visual check electrode lead; ground lead. Repair damaged welding cable or replace damaged welding cable.
Replace damaged electrode holder or ground clamp.
Electrode Lead
Ground Lead
Trash damaged parts
Visual check input power cord and if damaged have it replaced
by a Suitably Trained and Qualified Tradesperson.
Input Power Cord
Once Every
3 Months
Remove any accumulated dirt and dust from the Power Source
front and rear vents
Once Every
6 Months
Do not blow air into the Power Source during
cleaning as metallic particles cause can damage to
the Power Source.
Remove any metallic particles / dirt from inside Power Source
using a vacuum cleaner with a plastic nozzle. This must be
done more frequently in dirty environments.
Disconnect
Disconnect
