Red-D-Arc D55OK HO Owner's Manual page 50

Trouble
Low CV weld output.
Min or max CV weld output only.
B. Standard Generator Power
Trouble
No generator power output at AC recept-
acles; weld output okay.
No generator power output at AC recept-
acles; no weld output.
High output at generator power AC re-
ceptacles.
Low output at generator power AC re-
ceptacles.
C. Three-Phase Generator Power
Trouble
No or low output at optional three-
phase generator/receptacle RC5.
High output at optional three-phase
generator/receptacle RC5.
Erratic output at optional three-phase
generator/receptacle RC5.
D. Engine
Trouble
Engine will not crank.
OM-243 907 Page 46
Repair or replace wire feeder.
Set Amperage Range switch S3 to highest range.
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.
Reset receptacle supplementary protectors.
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.
Check engine speed, and adjust if necessary (see Section 8-6).
Have Factory Authorized Service Agent adjust generator power field current resistor R3.
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.
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.
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.
Have Factory Authorized Service Agent check brushes and slip rings, and field current regulator board
PC1.
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.
Remedy
Remedy
Remedy
Remedy