Weller WTL1000S User Manual
Page 3

TOOL OVERHEATING
Replace soldering tool with known good tool and recheck.
Troubleshoot soldering tool using guide in soldering iron tech sheet.
Replace printed circuit board assembly in station.
TIP TEMPERATURE TESTING ERRORS
NOTE:
Tip temperature testing must be done using 30 gauge thermocouple wire resistance welded to the
center of the wetted area on the tip. Tinning should be removed before welding. Other methods of
measurement, or heavier gauge thermocouple wire, will cause errors. Thermocoupled tip
temperature test kits are available; see Replacement Parts and Accessories Section.
Replace soldering tool with known good tool and recheck tip temperature.
Troubleshoot soldering tool using guide in soldering iron tech sheet.
Calibrate station using WCM1 Calibration Unit. Instructions are in Calibration Unit tech sheet.
Calibrate tip temperature using WCM1 Calibration Unit; especially if a category B or C tip is used (see Tip and
Tool Selection Sheet for category of tip). Instructions are in Calibration Unit Tech Sheet.
HIGH TIP VOLTAGE
Replace soldering tool with known good tool and recheck tip voltage.
Troubleshoot soldering tool using guide in soldering iron tech sheet.
Check for continuity from pin #5 of tool receptacle to line cord ground pin.
Check wiring from tool receptacle to line cord ground pin - repair if defective.
CUSTOMER SERVICES
Should your WTL1000S require repair or adjustment, it may be sent to the following addresses:
USA
CANADA
Cooper Tools - Weller
Cooper Tools
1000 Lufkin Road
164 Innisfil Street
Apex, NC 27539
Barrie, Ontario, Canada L4N 3E7
ATTN: Repair Department
ATTN: Repairs
FAX: 919-387-2640
FAX: 1-800-403-8665
Phone: 1-800-476-3030
Phone: 705-728-5564 Ext. 2026