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| TROUBLESHOOTING |
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| TROUBLESHOOTING GUIDE |
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| Observe Safety Guidelines | |
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| detailed in the beginning of this manual. | ||
| PROBLEMS | POSSIBLE AREAS OF |
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| (SYMPTOMS) | MISADJUSTMENT(S) |
| COURSE OF ACTION | |
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| OUTPUT PROBLEMS |
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| The Beeper (Piezoelectric Buzzer) cannot be | 1. Background noise may be too loud for user |
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| heard – machine operating normally. | to hear beeper. |
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| The welding parameters that were | 1. Make certain that a remote control unit is |
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| saved in memory are different | not connected. When a remote control unit is |
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| when recalled. | used, the weld parameters are set by the |
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| remote control potentiometers. |
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| The water cooler does not turn on. | 1. Make sure that the water cooler has been |
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| enabled. Refer to the Setup Overlay descrip- |
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| tion in the Operation Section of this manual. |
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2.The cooler’s circuit breaker may have tripped.
3.If the water cooler is enabled but generates insufficient coolant flow rate, the machine will beep loudly and the water cooler will shut down. In this case, prime the water cooler. Refer to the Setup Overlay description in the Operation Section of this manual.
The machine beeps without the | If the water cooler is enabled and the flow | If all recommended possible areas | ||
keys being pressed. | of misadjustments have been | |||
switch inside the water cooler opens (due to | ||||
| checked and the problem per- | |||
| inadequate coolant flow rate), the machine | |||
| sists, contact your local Lincoln | |||
| indicates this by beeping. This happens | |||
| Authorized Field Service Facility. | |||
| regardless of the overlay placed on the | |||
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| machine. In this case do the following: |
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| 1. Turn the machine off and on a couple of |
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| times and see if the beeping continues. If the |
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| flow rate dropped momentarily then turning |
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| the machine off and on eliminates the beep- |
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| ing. A momentary | drop in flow rate could be |
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| due to someone stepping on the water cooler |
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| hose, for example. |
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2 Check the water cooler and accessory hoses for kinks, internal obstructions or block- age, or ruptures. If such problems were found then correct them and turn the machine off and on to check if the beeping has been elimi- nated.
3.Check the water cooler fluid level. Low coolant level could cause the flow rate to drop.
4.Prime the water cooler. Refer to the Setup Overlay section of this manual for instructions.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con- tact your local authorized Lincoln Electric Field Service Facility for technical assistance.
