Lincoln Electric MULTI-WELD SVM151-A User Manual
Multi-weld 350 arc converter, Svm151-a, Service manual
Table of contents
Document Outline
- Table of Contents
- Safety
- Section A - Installation
- Section B - Operations
- Section C - Accessories
- Section D - Maintenance
- Section E - Theory of Operations
- Section F - Troubleshooting and Repair
- Symptoms
- Major physical or electrical damage is evident.
- The Multi-Weld 350 is completely dead. The meters do not light and the input contactor does not activate when the ON/OFF....
- The meters light, but the input con-tactor does not activate when the ON/OFF Mode Selector switch is...
- The Thermal Light is on. The Multi-Weld 350 does not have output. The fan operates normally.
- The Multi-Weld 350 does not have output. The meters turn on, the input contactor activates and the Thermal light is off.
- The preset amps (CC mode) or volts (CV mode) are not adjustable.
- The preset range is not correct.
- The meters do not light in either CV or CC modes.
- One or both of the meter’s readings are not accurate.
- The fan motor does not run when the machine is turned on.
- The fan does not run when welding.
- The welding output is high with no control.
- No control of welding output.
- When welding in the Stick Mode, the current changes with arc length.
- When using “fast freeze” type electrodes such as E6010 or E7010, the welding performance is poor.
- The arc starting is not satisfactory.
- When stick welding the electrode “stubs”.
- Section G - Electrical Diagrams