5-4. Troubleshooting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Trouble

 

Remedy

 

 

No weld output: unit completely inopera-

Place line disconnect switch in On position (see Section 3-10).

tive.

 

 

Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 3-10).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check for proper input power connections (see Section 3-10).

 

 

No weld output; meter display On.

Verify welding parameter settings.

 

 

 

 

 

 

 

 

 

 

 

Verify Help messages and correction procedures as necessary.

 

 

 

 

 

 

 

 

 

 

 

Check, repair, or replace remote control.

 

 

 

 

 

 

 

 

 

 

 

Unit overheated. Allow fan to run and unit cool (see Section 3-2).

 

 

Erratic or improper weld output.

Use proper size and type of weld cable (see Section 3-6).

 

 

 

 

 

 

 

 

 

 

 

Clean and tighten all weld connections.

 

 

Coolant system not working (HELP 15

Check and secure coolant hose connectors.

is displayed).

 

 

Reset circuit breaker CB7 (see Section 5-3).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Motor overheated. Allow motor to cool and restart operation.

 

 

 

 

 

 

 

 

 

 

 

Have Factory Authorized Service Agent check cooling unit.

 

 

Reduced or no coolant flow from cool-

Add coolant.

ing unit (HELP 15 can be displayed).

 

 

Check for blockage at hoses.

 

 

 

 

 

 

 

Control panel not functioning properly.

Switch unit off and back on again to verify LED’s and display status.

Software problems.

 

 

Reinstall factory parameters (see Section 4-2).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Contact a Factory Authorized Service Agent.

 

 

 

 

 

 

 

OM-224 043 Page 27

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Image 31
Miller Electric XMS 4000 manual Troubleshooting, Is displayed, Software problems