Table 2-17. ARC Welder Troubleshooting.
TEST OR INSPECTION
There are extremely dangerous voltage and power levels present inside this unit. Do
not attempt to diagnose or repair unless you have had training in power electronics
measurement and troubleshooting techniques.
1. NO POWER.
Main power not connected.
Connect main power.
Main power not turned on.
Turn on main power.
MAIN CIRCUIT BREAKER set to OFF position.
Place MAIN CIRCUIT BREAKER to ON position.
INPUT SELECTOR (Easy Link) switch in wrong position.
Place INPUT SELECTOR switch in correct position.
2. POOR WELD.
Set to correct polarity.
Wrong electrode used.
Use correct electrode.
Electrode not properly prepared.
Prepare electrodes using proper instructions.
Incorrect welding amperage setting.
Change to correct amperage setting.
Speed too slow or too fast.
Correct speed setting.
Incorrect switch settings for intended operation.
Change to switch settings used for intended operation.
Poor weld output connection(s).
Fix weld output connection(s).