|
| TROUBLESHOOTING |
|
| |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
| Observe all Safety Guidelines detailed throughout this manual |
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
| |
|
| PROBLEMS |
|
| POSSIBLE |
| RECOMMENDED |
| |||
|
| (SYMPTOMS) |
|
| CAUSE |
| COURSE OF ACTION |
| |||
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
| ||
| Machine won’t weld, can’t get any |
|
| 1. Input voltage is too low or too |
|
| 1. Make certain that input voltage is |
| |||
| output. (CR1 will not pull in.) |
|
| high. |
|
| proper, according to the Rating |
|
| ||
|
|
|
|
|
|
|
| Plate located on the rear of the |
|
| |
| This problem will normally be |
|
|
|
|
| machine. |
|
|
| |
| accompanied by an error code. |
|
|
|
|
|
|
|
|
| |
| Error codes are displayed as a |
|
| 2. Thermal Error. |
|
| 2. See "Thermal LED is ON" sec- |
|
| ||
| series of red and green flashes by |
|
|
|
|
| tion. |
|
|
| |
| the status light(s). See "Status |
|
|
|
|
|
|
|
|
| |
| Light" section of this document for |
|
| 3. Primary current limit has been |
|
| 3. Possible short in output circuit. |
|
| ||
| additional information. |
|
| exceeded. (CR1 drops out when |
|
| Turn machine off. | Remove all |
|
| |
|
|
|
|
| output is initiated). |
|
| loads from the output of the |
|
| |
|
|
|
|
|
|
|
| machine. Turn back on, and acti- |
|
| |
|
|
|
|
|
|
|
| vate output. If condition persists, |
|
| |
|
|
|
|
|
|
|
| turn power off, and contact an |
|
| |
|
|
|
|
|
|
|
| authorized Lincoln Electric Field |
|
| |
|
|
|
|
|
|
|
| Service facility. |
|
|
|
|
|
|
|
| 4. Inverter Fault - switch pc board, |
|
| 4. Contact your local authorized |
|
| |
|
|
|
|
| contactor problem, etc. |
|
| Lincoln Electric Field Service |
|
| |
|
|
|
|
|
|
|
| facility for technical assistance. |
|
| |
|
|
|
|
|
|
|
|
|
| ||
| Thermal LED is on. |
|
| 1. Improper fan operation. |
|
| 1. Check for proper fan operation. |
|
| ||
|
|
|
|
|
|
|
| (Fans should run whenever out- |
|
| |
|
|
|
|
|
|
|
| put power is on.) | Check for |
|
|
|
|
|
|
|
|
|
| material blocking | intake or |
|
|
|
|
|
|
|
|
|
| exhaust louvers, or for excessive |
|
| |
|
|
|
|
|
|
|
| dirt clogging cooing channels in |
|
| |
|
|
|
|
|
|
|
| machine. |
|
|
|
|
|
|
|
| 2. Switch Board or AC Output |
|
| 2. After machine has cooled, |
|
| |
|
|
|
|
| Chopper board thermostat. |
|
| reduce load, duty cycle, or both. |
|
| |
|
|
|
|
|
|
|
| Check for material blocking |
|
| |
|
|
|
|
|
|
|
| intake or exhaust louvers. |
|
| |
|
|
|
|
| 3. DC Bus PC board thermostat |
|
| 3. Check for excessive load on |
|
| |
|
|
|
|
|
|
|
| 40VDC supply. |
|
|
|
|
|
|
|
| 4. Open thermostat circuit. |
|
| 4. Check for broken wires, open |
|
| |
|
|
|
|
|
|
|
| connections or faulty ther- |
|
| |
|
|
|
|
|
|
|
| mostats DC Bus, Switch, and AC |
|
| |
|
|
|
|
|
|
|
| Chopper PC Board heat sinks. |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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® AC/DC 1000