TROUBLESHOOTING | ||
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| Observe all Safety Guidelines detailed throughout this manual |
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PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
ELECTRICAL FAILURES
Machine fails to come on | 1. | No Input Voltage. |
(Power LED off) | 2. | Faulty supply plug or cable. |
| 3. Supply fuse blown or breaker | |
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| tripped. |
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Thermal overload | 1. | Unit has been operated beyond its |
(Thermal LED on) |
| capacity rating. |
| 2. | Airflow through machine is restrict- |
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| ed or fan has failed. |
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The fan works, but the output current | 1. | Check the output current poten- |
is unstable and can not be controlled |
| tiometer, and replace it if neces- |
by the potentiometer while welding is |
| sary. |
carried out. | 2. | Verify output cables are attached |
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| to the welder and tightly connect- |
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| ed. |
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If all recommended possible areas of misadjustment have been checked and the problem persists, Contact your local Authorized Field Service Facility.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
