Specifications

OM-228 921 Page 48
Trouble Remedy
Repair or replace wire feeder.
Low CV weld output. Set Amperage Range switch S3 to highest range.
Min or max CV weld output only. Check position of Voltage/Amperage Adjust control R1 and Voltage/Amperage Adjust Control switch S5.
Repair or replace remote control device.
Have Factory Authorized Service Agent check field current regulator board PC1 and connections.
B. Standard Generator Power
Trouble Remedy
No generator power output at AC recept-
acles; weld output okay.
Reset receptacle supplementary protectors.
No generator power output at AC recept-
acles; no weld output.
Disconnect equipment from generator power AC receptacles during start-up.
Reset supplementary protector CB12 (see Section 8-9). Have Factory Authorized Service Agent check
field current regulator board PC1.
Check fuses F1 and F2, and replace if open (see Section 8-9). Have Factory Authorized Service Agent
check integrated rectifier SR1, capacitor C9, and rotor.
Have Factory Authorized Service Agent check slip rings, install new brushes if necessary, and check
field excitation circuit.
High output at generator power AC re-
ceptacles.
Check engine speed, and adjust if necessary (see Section 8-6).
Have Factory Authorized Service Agent adjust generator power field current resistor R3.
Low output at generator power AC re-
ceptacles.
Check engine speed, and adjust if necessary (see Section 8-6).
Check fuse F1, and replace if open (see Section 8-9). Have Factory Authorized Service Agent check inte-
grated rectifier SR1, resistor R3, and Capacitor C9.
C. Three-Phase Generator Power
Trouble Remedy
No or low output at optional three-
phase generator/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 8-9).
Check engine weld/power speed, and adjust if necessary (see Section 8-6).
Have Factory Authorized Service Agent check brushes and slip rings, and field current regulator board
PC1.
High output at optional three-phase
generator/receptacle RC5.
Check engine weld/power speed, and adjust if necessary (see Section 8-6).
Have Factory Authorized Service Agent check field current regulator board PC1, and PC1 voltage
feedback circuit.
Erratic output at optional three-phase
generator/receptacle RC5.
Have Factory Authorized Service Agent check brushes and slip rings, and field current regulator board
PC1.
D. Engine
Trouble Remedy
Engine will not crank. Check battery, and replace if necessary.
Check battery connections and tighten if necessary.
Circuit breaker CB10 may be open. CB10 automatically resets when fault is corrected (see Section 8-9).
Check engine wiring harness and components.