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OM-2225 Page 20
5-5. Troubleshooting
Trouble Remedy
No pilot arc; difficulty in establishing an
arc.
Clean or replace worn consumables as necessary (see torch Owner’s Manual).
Check for damaged torch or torch cable (see torch Owner’s Manual).
No cutting output; Power light off;
Trouble lights off; Ready light off; fan mo-
tor FM does not run.
Place Power switch in On position.
Place line disconnect device in On position (see Section 3-7).
Check line fuse(s) and replace if needed or reset circuit breakers (see Sections 3-6 and 3-7).
Pilot arc working; no cutting output; Pow-
er light on; Ready light on; Trouble lights
off; fan motor running.
Be sure work clamp is connected.
Clean or replace worn consumables as necessary (see torch Owner’s Manual).
No gas/air flow; Power light on; Ready
light on; Trouble lights off; fan motor
running.
Have Factory Authorized Service Agent check for proper torch connections. Check operation of gas
valve GS1, and check gas/air system for leaks.
Pressure Trouble light On; Ready light
off.
Check for correct gas/air pressure adjustment (see Section 4-2).
Check for sufficient gas/air supply pressure (see Section 3-5).
Check for dirty air filter/regulator and clean, if needed (see manufacturer’s instructions).
Check air lines for leaks.
Have Factory Authorized Service Agent check pressure switch and control board.
Cup Trouble light On; Ready light off. Check torch shield cup (see Section 5-3). Reset power switch.
Have Factory Authorized Service Agent check for proper torch connections.
Temperature Trouble light On; Ready
light off.
Inverter heat sink or output heat sink overheating. Allow fan to run; the Trouble light goes out when the
unit has cooled.
Have Factory Authorized Service Agent check control board.
Trouble lights not working. Have Factory Authorized Service Agent check unit.
Power light flashing, Trouble lights off. Reset power switch.