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OM-4409 Page 58
Trouble Remedy
Constant speed wire feeder does not
work.
Reset supplementary protector(s) CB5 and CB13 (see Section 9-8).
Check and secure connections to Remote 14 receptacle RC14 (see Section 5-10).
Repair or replace wire feeder.
Low CV weld output. Set Ampere Range switch to highest range.
Min or max CV weld output only. Check position of Voltage/Amperage Adjust control and Panel/Remote Switch.
Repair or replace remote control device.
Have Factory Authorized Service Agent check field current regulator board PC1.
B. Standard Generator Power
Trouble Remedy
No generator power output at ac recep-
tacles; weld output okay.
Reset receptacle supplementary protectors.
No generator power or weld output. Disconnect equipment from generator power receptacles during start-up.
Check fuses F1 and F2, and replace if open (see Section 9-8). Have Factory Authorized Service Agent
check integrated rectifier SR1, capacitor C9, diode/capacitor board D1/C1, and the rotor.
Reset supplementary protector CB12. Have Factory Authorized Service Agent check field current regula-
tor board PC1 (see Section 10-4).
Have Factory Authorized Service Agent check brushes and slip rings, and field excitation circuit.
High output at generator power
receptacles.
Check engine weld/power speed, and adjust if necessary (see Section 9-6).
Have Factory Authorized Service Agent adjust field current resistor R3.
Low output at generator power
receptacles.
Check engine weld/power speed, and adjust if necessary (see Section 9-6).
Check fuse F1, and replace if open (see Section 9-8). Have Factory Authorized Service Agent check inte-
grated rectifier SR1, resistor R3, and capacitor C9.
C. Optional AC Power Plant
Trouble Remedy
No or low output at optional ac power
plant/receptacle RC5.
Place Process/Contactor switch in Weld Terminals Always On - Stick position (see Section 6-3).
Reset supplementary protector CB7 (see Section 7-2).
Reset supplementary protector CB5 (see Section 9-8).
Check engine weld/power speed, and adjust if necessary (see Section 9-6).
Have Factory Authorized Service Agent check brushes and slip rings, and field current regulator board
PC1.
High output at optional ac power plant/
receptacle RC5.
Check engine weld/power speed, and adjust if necessary (see Section 9-6).
Have Factory Authorized Service Agent check field current regulator board PC1.
Erratic output at optional ac power plant/
receptacle RC5.
Have Factory Authorized Service Agent check brushes and slip rings, and field current regulator board
PC1.