Troubleshooting Power Source - Miller Spectrum 625 X-TREME Owner's Manual

6-7. Troubleshooting Power Source

Trouble
No pilot arc; difficulty in establishing an
arc.
No cutting output; Power light off; status
lights off; fan motor FM does not run.
Pilot arc working; no cutting output;
Power light on; status lights off; fan
motor running.
No gas/air flow; Power light on; status
lights off; fan motor running.
Pressure status light On.
Cup status light On.
Temperature status light On.
Status lights not working.
Power light flashing, status lights off.
Pressure status light flashes.
Cup status light flashes.
Short tip life.
.
A complete Parts List is available at www.MillerWelds.com
Clean or replace worn consumables as necessary (see torch Owner's Manual).
Check for damaged torch or torch cable (see torch Owner's Manual).
Place Power switch in On position.
Place line disconnect device in On position (see Section 4-10).
Check line fuse(s) and replace if needed or reset circuit breakers (see Section 4-10).
Be sure work clamp is connected.
Clean or replace worn consumables as necessary (see torch Owner's Manual).
Have Factory Authorized Service Agent check for proper torch connections. Check operation of gas
valve AS1, and check gas/air system for leaks. Check filter element (see Section 6-3).
Check for sufficient gas/air supply pressure (see Section 4-5).
Check for dirty air filter and replace, if necessary (see manufacturer's instructions).
Check air lines for leaks.
Have Factory Authorized Service Agent check pressure switch and control board.
Check torch shield cup (see Section 6-5). Reset power switch.
Have Factory Authorized Service Agent check torch.
Unit overheating. Allow fan to run; the Trouble light goes out when the unit has cooled.
Have Factory Authorized Service Agent check control board.
Have Factory Authorized Service Agent check unit.
Reset power switch. Have qualified technician check input line power.
Unit lost pressure (momentarily) while cutting. Check air line for leaks.
Unit lost output while attempting to cut or pilot. Check consumables and torch for wear.
Check and clean drag shield of any slag, particles, and debris.
Check input air pressure.
Remedy
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