Heating element broken
Disassembling the Unit
1. Turn the nut 1 counterclockwise and remove the tip enclosure 2, the tip 3 .
2. Turn the nipple 4 counterclockwise and remove it from the iron.
3. Pull both the heating element 6 and the cord assembly 11 out of the handle 12.
(Toward the tip of the iron.)
4. Pull the grounding spring 5 out of the D-sleeve.
Measure when the heating element is at room temperature
.
1. Resistance value of heating element (resistance between the 2 red lines)
≈4Ω
2. Resistance value of sensor (resistance between the 2 blue line) ≈50Ω
If the resistance value is not normal, replace the heating element.
Summary of Contents for SS-979
Page 11: ...SS 979 SMD...
Page 12: ...2020 2020001...
Page 13: ...100 to 500 212 to 932 200 480 C 392 896 1 2 3 4 5 6 7 8...
Page 14: ...A...
Page 15: ...1 2 3 4 5 6 1 6 2 7 8 9 10 11 12 B SS 979 SMD x1 x1 x1 x1 x 3...
Page 16: ...x1 x 1 1 LED 2 3 4 5 6 CE ESD 7 8...
Page 18: ...9SS 900N HT 9SS 900N SI...
Page 19: ...1 2 3 1 2 3...
Page 20: ...4 SLP 5 6 7 8 100 SLP 9 IC 1 SET 2 3 1...
Page 21: ...1 100 SLP 4 5 SET 1 SET 2 SET 3 SET 3mm A SLP 100 B S E...
Page 22: ...1 2 3 4 100 5 2 6 7 8 9 10 11 12...
Page 23: ...1 1 2 3 4 5 2 3...
Page 24: ...50 4 50 5 1...
Page 25: ...2 PCB 3 3 1 1 2 3 2 4 3 12 6 11 1 5 50 2 4 4 3 2...
Page 26: ...4 50 1 2 PCB...
Page 27: ...1 3 4 3 5 4 5 2 1 2 3 4 5 2 2...
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Page 29: ...SS 979H 130 7 5 886 2 22183233 E mail pk mail prokits com tw...
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