Section 9 − Troubleshooting - Miller Electric Renegade 180 Owner's Manual

SECTION 9 − TROUBLESHOOTING
9-1. Troubleshooting
A. Welding
Trouble
No weld output or generator power out-
put at ac receptacles.
.
AC receptacles provide auxiliary
power only while engine is running.
No weld output; generator power out-
put okay at ac receptacles.
Low weld output.
High weld output.
Erratic weld output.
B. Generator Power
Trouble
No output at generator power ac re-
ceptacles; no weld output.
.
AC receptacles provide auxiliary
power only while engine is running.
No output at generator power ac re-
ceptacles; weld output okay.
High output at generator power ac
receptacles.
OM-228 042 Page 38
Be sure all equipment is disconnected from receptacles when starting unit.
Place switch in Wall position or start engine and place switch in Generator position.
Over temperature light is flashing. Allow unit to cool with fan running until thermostat TP1 resets and light
turns off.
Have Factory Authorized Service Agent check brushes, slip rings, rotor, stator, and integrated rectifier
SR2.
Place switch in Generator position to obtain weld output.
Check weld connections.
Check Spool Gun/Mig Gun switch position.
Have Factory Authorized Service Agent check stator, integrated rectifier SR2, stabilizer Z1, and main
rectifier SR1.
Check Weld Output control setting.
Check engine speed, and adjust if necessary (see Section 8-10).
Service engine air cleaner.
Check weld cable size and length.
Have Factory Authorized Service Agent check stator, integrated rectifier SR2, stabilizer Z1, and main
rectifier SR1.
Check Wire Speed and Voltage control settings.
Check engine speed, and adjust if necessary (see Section 8-10).
Check Wire Speed and Voltage control settings. Check wire feed for erratic condition.
Tighten and clean connections to electrode and workpiece.
Remove excessive coils from work lead and gun power cable.
Clean and tighten connections both inside and outside welding generator.
Check engine speed, and adjust if necessary (see Section 8-10).
Check throttle/governor linkage for smooth, non-binding operation.
Be sure all equipment is disconnected from receptacles when starting unit.
Have Factory Authorized Service Agent check brushes, slip rings, rotor, stator, and integrated rectifier
SR2.
Reset and check supplementary protector (see Section 7-1).
Check receptacle wiring and connections.
Have Factory Authorized Service Agent check stator windings and connections at terminal block 1T.
Check engine speed, and adjust if necessary (see Section 8-10).
.
Complete Parts List available at www. MillerWelds.com
Remedy
Remedy