STEALTH DIGI-ARC 200LT
9 TROUBLESHOOTING AND SERVICE
Common faults and solutions:
Symptom
Solution
Power indicator does not light, fan does not – Make sure the power switch is turned on.
turn, no welding output
– Confirm that the power input cable is
connected to electricity.
Fan switch not working
– Assess any damage and replace where
Fluctuation in current High / Low
necessary.
– Check for poor connections (eg plug-ins).
– Check all connectors inside the machine.
– Check circuit output connections.
– If the alarm indicator light is on check:
That the machine is not overheating.
Power indicator light shows fan rotating
If so maintain power, so that the fan
normally but no welding output
continues and the temperature drops.
When the light goes out continue working.
– Check if the thermal switch is damaged
and replace if necessary.
Hot welding clamp
– Welding clamp current is too small.
Replace with larger clamp.
Welding arc flares
– Check +/– polarity is correct for welding
process.
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