Table of Contents
Advertisement
B. Welding − CC/CV Models
Trouble
No weld output; auxiliary power output
okay.
No weld output or auxiliary power output. Disconnect equipment from auxiliary power receptacles during start-up.
Erratic weld output.
High weld output.
Low weld output.
Low open-circuit voltage.
No remote fine amperage or voltage
control.
Constant speed wire feeder does not
work.
Low CV weld output.
Min or max CV weld output only.
OM-497 Page 40
Place Process/Contactor switch in a Electrode Hot position, or place switch in a Remote position and
connect remote contactor to optional Remote 14 receptacle RC14 (see Sections 4-11 and 6-1).
Check position of Ampere Range switch.
Check position of optional polarity switch.
Reset circuit breaker CB11 (see Section 8-7).
Reset circuit breaker CB6 (see Section 8-7). Check for faulty remote device connected to RC14.
Check and secure connections to Remote 14 receptacle RC14 (see Section 4-11).
Have Factory Authorized Service Agent check connector board PC6 and connections.
Check fuse F2, and replace if open (see Section 8-7). Have Factory Authorized Service Agent check
brushes and slip rings, field excitation circuit, field current regulator board PC1, and the rotor.
Check fuses F1 and F2, and replace if open (see Section 8-7). Have Factory Authorized Service Agent
check integrated rectifier SR1, capacitor C9, field current regulator board PC1, and the rotor.
Have Factory Authorized Service Agent check brushes and slip rings, and field excitation circuit.
Check and tighten connections inside and outside unit.
Be sure connection to work piece is clean and tight.
Use dry, properly stored electrodes.
Remove excessive coils from weld cables.
Check position of Ampere Range switch and Voltage/Amperage Adjust control.
Check engine weld/power speed, and adjust if necessary (see Section 8-5).
Have Factory Authorized Service Agent check field current regulator board PC1.
Check engine weld/power speed, and adjust if necessary (see Section 8-5).
Check fuses F1 and F2, and replace if open (see Section 8-7). Have Factory Authorized Service Agent
check integrated rectifier SR1, capacitor C9, field current regulator board PC1, and the rotor.
Check engine weld/power speed, and adjust if necessary.
Place Voltage/Amperage Adjust switch in Remote position.
Check and secure connections to Remote 14 receptacle RC14 (see Section 4-11).
Repair or replace remote control device.
Reset circuit breaker CB6 (see Section 8-7).
Check and secure connections to Remote 14 receptacle RC14 (see Section 4-11).
Repair or replace wire feeder.
Set Ampere Range switch to highest range.
Check position of Voltage/Amperage Adjust control and Voltage/Amperage Adjust switch.
Repair or replace remote control device.
Have Factory Authorized Service Agent check field current regulator board PC1.
Remedy
Advertisement
Table of Contents
