SECTION 5 – MAINTENANCE & TROUBLESHOOTING
WARNING |
ELECTRIC SHOCK can kill. | HOT PARTS can cause severe burns. |
• Do not touch live electrical parts. | • Allow cooling period before maintaining or servicing. |
•Turn Off welding power source, and disconnect
input power before inspecting, maintaining, or | Maintenance and troubleshooting to be performed only |
servicing. Stop engine on welding generator. | by qualified persons. |
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| swarn8.1* 10/91 | |
Routine Maintenance |
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| 3 Months | Turn Off all power before maintaining. | 6 Months | |
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| Replace | OR | Blow Out | |
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See | Unreadable | ||||
| Vacuum | ||||
Section | Labels |
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7 |
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| Tape Or |
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| Replace |
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| Cracked |
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| Weld |
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| Cable |
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| Clean |
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| And |
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| Tighten |
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| Weld |
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| Terminals |
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Figure 5-1. Maintenance Schedule
5-2. Troubleshooting
WARNING
READ SAFETY BLOCKS at start of Section 5 before proceeding.
Table
Trouble |
| Remedy |
Unit completely inoperative; no meter |
| Be sure input power cord is plugged in and that receptacle is receiv- |
display. |
| ing input power. |
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Incorrect meter display. |
| Check weld cable, input power, and voltage sensing connections. |
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| Turn off high frequency, if applicable. |
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Section
No display on one meter only; other me- ter works.
Erratic meter display.
Check connections to meter module; tighten or clean if necessary.
Check and replace meter module if necessary.
Have Factory Authorized Service Station/Service Distributor check digital meter board PC1.
Check connections to meter shunt; tighten or clean if necessary.
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Meters do not hold display with Std./Hold | Place switch in Std. position when welding amperage is below re- |
switch in Hold position. | quired minimum. |
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Have Factory Authorized Service Station/Service Distributor check digital meter board PC1.
Figure
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