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Trouble
No generator power or weld output.
Low power output at ac receptacles.
High power output at ac receptacles.
Erratic power output at ac receptacles.
9-3. Engine Troubleshooting
Trouble
Engine will not crank.
Engine will not start.
Engine starts but stops when Engine
Control switch returns to Run position.
Engine stopped during normal
operation.
OM-240 438 Page 40
Be sure all equipment is disconnected from receptacles when starting unit.
Check fuses F1 and F2, and replace if open (see Section 8-6).
Check plug PLG6 connection.
Have Factory Authorized Service Agent check brushes, slip rings, capacitor C1, and integrated rectifi-
ers SR2 and SR3.
Check fuse F2, and replace if open (see Section 8-6).
Increase Fine control R1 setting to max.
Check engine speed, and adjust if necessary (see Section 8-5).
Check fuel level.
Check engine speed, and adjust if necessary (see Section 8-5).
Check receptacle wiring and connections.
Have Factory Authorized Service Agent check brushes and slip rings.
Check fuse F6, and replace if open (see Section 8-6).
Check battery voltage.
Check battery connections and tighten if necessary.
Check plug PLG4 and plug PLG8 connections.
Have Factory Authorized Service Agent check Engine Control switch S2.
Check fuel level.
Check battery voltage.
Check battery connections and tighten if necessary.
Check oil level (see Section 5-4).
Check low oil pressure shutdown switch.
Have Factory Authorized Service Agent check fuel shutoff solenoid FS1 and diode D8.
Check oil level.
Check and refill crankcase with proper viscosity oil for operating temperature, if necessary.
Check low oil pressure shutdown switch.
Check fuel level.
Check oil level (see Section 5-4).
Check low oil pressure shutdown switch.
Periodically recharge battery (approximately every 3 months).
Replace battery.
Check voltage regulator and connections according to engine manual.
Have Factory Authorized Service Agent check fuel shutoff solenoid FS1.
.
A complete Parts List is available at wwwHobartWelders.com
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Remedy
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