TROUBLESHOOTING | ||
| Observe all Safety Guidelines detailed throughout this manual |
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PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Basic Machine Problems
Input fuses keep blowing | 1. | Improperly sized input fuses. | 1. | Make sure fuses are properly | ||||
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| sized. See installation section of | ||
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| this manual for recommended | ||
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| sizes. | ||
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| 2. | Improper Weld Procedure requir- | 2. | Reduce output current, duty | |||
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| ing output levels in excess of |
| cycle, or both. | ||
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| machine rating. |
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| 3. | Major physical or electrical dam- | 3. | Contact your local authorized | |||
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| age is evident when the covers |
| Lincoln Electric Field Service | ||
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| are removed. |
| facility for technical assistance. | ||
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Machine will not power up (no lights) | 1. | No Input Power | 1. | Make sure input supply discon- | ||||
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| nect has been turned ON. Check | ||
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| input fuses. Make certain that the | ||
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| Power Switch (SW1) on the | ||
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| power source is in the “ON” posi- | ||
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| tion. | ||
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| 2. | Input voltage is too low or too | 2. | Make certain that input voltage is | |||
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| high. |
| correct, according to the Rating | ||
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| Plate located on the rear of the | ||
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| machine. | ||
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Machine wonʼt weld, canʼt get any | 1. | Input voltage is too low or too high. | 1. | Make certain that input voltage is | ||||
output. |
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| correct, according to the Rating | |||
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| Plate located on the rear of the | ||
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| machine. | ||
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| 2. | Thermal Error. | 2. | See “Thermal LED is ON” sec- | |||
This problem will normally be |
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accompanied by an error code. See |
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3. | Secondary current limit has been | 3. | Possible short in output circuit. If | |||||
“Status Light” section of this docu- | ||||||||
ment for additional information. |
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| exceeded. (see error 54) |
| condition persists, contact an | |||
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| 3a. Input control board fault (see |
| authorized Lincoln Electric Field | |||
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| input control board error status). |
| Service facility. | ||
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CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
POWER WAVE® R350