OM-404 Page 29
7-7.
Troubleshooting
A. Welding
Trouble
Remedy
No weld output.
Check control settings (see Section 5-1).
Check weld connections.
Check fuse F1 and replace if open (see Section 7-6).
Be sure all equipment is disconnected from receptacles when starting unit.
Have Factory Authorized Service Agent check brushes, slip rings, and integrated rectifier SR2.
Low weld output.
Check control settings (see Section 5-1).
Check fuse F1 and replace if open (see Section 7-6).
Check and adjust engine speed (see Section 7-5).
Service air cleaner according to engine manual.
Have Factory Authorized Service Agent check brushes and slip rings.
High weld output.
Check control settings (see Section 5-1).
Check and adjust engine speed (see Section 7-5).
Erratic weld output.
Check control settings (see Section 5-1).
Tighten and clean connections to electrode and workpiece.
Use dry, properly-stored electrodes for SMAW and GTAW.
Remove excessive coils from weld cables.
Tighten and clean connections both inside and outside welding generator.
Check and adjust engine speed (see Section 7-5).
Have Factory Authorized Service Agent check brushes and slip rings.
B. Generator Power
Trouble
Remedy
No output at generator power
receptacles.
Reset circuit breakers (see Sections 6-1 and 6-3).
Press optional GFCI receptacle Reset button (see Section 6-3).
Check fuse F1 and replace if open (see Section 7-6).
Have Factory Authorized Service Agent check brushes, slip rings, and integrated rectifier SR2.
High power output.
Check and adjust engine speed (see Section 7-5).
Low power output.
Increase Fine Adjust control R1 setting.
Check fuse F1 and replace if open (see Section 7-6).
Erratic power output.
Check fuel level (see Section 4-2).
Check and adjust engine speed (see Section 7-5).
Check receptacle wiring and connections.
Have Factory Authorized Service Agent check brushes and slip rings.
