TROUBLESHOOTING | ||
|
|
|
| Observe all Safety Guidelines detailed throughout this manual |
|
|
|
|
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
No welding power output. | 1. | Poor work lead connection to |
|
| |||
|
|
| work. Make sure work clamp is |
|
| ||
|
|
| tightly connected to clean base |
|
| ||
|
|
| metal. |
|
| ||
|
| 2. | "Weld Terminals" switch in wrong |
|
| ||
|
|
| position. Place switch in "Weld |
|
| ||
|
|
| Terminals On" position when |
|
| ||
|
|
| welding without control cable. |
|
| ||
|
| 3. | Faulty PC board or welder alterna- |
|
| ||
|
|
| tor. |
|
| ||
|
|
|
|
|
|
| |
Welder has output but no control. | 1. | Poor remote/control cable connec- |
|
| |||
|
|
| tion to 6 pin or 14 pin Amphenol |
|
| ||
|
|
| connector. Check connections. |
|
| ||
|
| 2. | Faulty remote cable or faulty wire |
|
| ||
|
|
| feeder or wire feeder cable. |
|
| ||
|
|
| Replace if necessary. |
|
| ||
|
| 3. | Faulty control potentiometer or PC |
|
| ||
|
|
| board. |
|
| ||
|
|
|
|
| If all recommended possible | areas | |
Wire feeder does not work when | 1. | Wire Feeder Power circuit breaker | |||||
of misadjustment have | been | ||||||
control cable is connected to 14 pin |
| open. Check 42V and 120V | checked and the problem persists, | ||||
Connector. |
| beakers and reset if tripped. | Contact your local Lincoln | ||||
|
| 2. | Faulty control cable. Repair or | Authorized Field Service Facility. | |||
|
|
| replace cable. |
|
| ||
|
| 3. | Faulty wire feeder. |
|
| ||
|
|
|
|
|
|
| |
No auxiliary power. | 1. | Open circuit breakers. Reset |
|
| |||
|
|
| breakers. If breakers keep trip- |
|
| ||
|
|
| ping, reduce power draw. |
|
| ||
|
| 2. | Faulty connections to auxiliary |
|
| ||
|
|
| receptacles. Check connections. |
|
| ||
|
| 3. | GFCI tripped (if installed). Clear |
|
| ||
|
|
| any ground fault and reset GFCI |
|
| ||
|
|
| circuit by pressing "Reset" button |
|
| ||
|
|
| on the 120 V receptacle. |
|
| ||
|
| 4. | Faulty PC board or welder alterna- |
|
| ||
|
|
| tor. |
|
| ||
|
|
|
|
|
|
| |
|
|
|
|
|
|
| |
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.
RANGER 305G
