Weller DTL1000 User Manual download pdf (Page 2)

SPECIFICATIONS

1. Power input: 120 VAC ±10%, 60hz, 120 watts.

2. Power unit output voltage: isolated 24 VAC @ 3.4 amperes.

3. Size: 4.5" x 5.875" x 3.625".

4. Line Cord: 3 wire, U.L. recognized.

5. Tip temperature control range: 600°F to 850°F (315°C to 455°C).

6. Control Accuracy: ±10°F of setting at idling temperature. No load - 30 minute warmup.

7. Ambient temperature range: 60°F to 110°F (16°C to 44°C)

WARNING: AC line voltage is present inside power unit even when power switch is off. Refer service to

qualified personnel.

NOTE: Access to internal parts may be gained by removing four rubber feet, four bottom screws and top

case.

1. Tool does not heat.

1.1 Neither heater on indicator LED illuminates:

1.1.1 Check power line on indicator LED illuminates:

1.1.2 Check for 12-15 ohms at line cord blades.

Fuse open - replace. Fuseholder located on bottom of case. Replace fuse with 1

Amp rating.

Line cord open - replace.

Transformer defective - replace.

1.2 Either heater on indicator LED illuminates:

1.2.1 Troubleshoot soldering tool.

1.2.2 Check switch for side that is inoperative.

1.2.3 Check continuity from receptacle pins to control board.

Repair as required.

1.2.4 Replace control board.

2. Tool overheating.

2.1 Troubleshoot soldering tool.

2.2 Replace control board.

3. High tip voltage or indication of circuit component damage.

3.1 Check for 2 ohms maximum from tip to ground prong on line cord plug, repair as required.

4. Tip temperature testing errors.

4.1 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 or heavier

gauge thermocouple wire will cause errors. WTTK1 and WTTK2 temperature test kits are available.

4.2 Replace soldering tool with different tool and recheck tip temperature. If this corrects the readings, the sensor

in the soldering tool should be replaced.

4.3 Adjust the potentiometer on the control board.

4.4 Replace control board.

CUSTOMER SERVICES

Should your DTL1000 require repair of adjustment it may be sent to the following address:

Cooper Tools - Weller Division

1000 Lufkin Road

Apex, NC 27539

ATTN: Repair Department

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Weller DTL1000 User Manual Page 2

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