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8. False alarm
When “H-E” or “S-E”is displayed on the screen, there is some wrong in heating element or the circuit. (diagram 5, 6). Turn off
the unit and follow the instructions to replace the heating element.
Replacing the heating element
Note: diagram (8) is soldering station AT980D, heating core resistance (red) about 2.5 ~ 3.5Ω, sensor (blue)
resistance about 43 ~ 58Ω.
1. Power off the unit and unplug the device. Wait for the heating element to cool down.
2. Loosen the nut (1)
3. Remove the tip retainer (2) and soldering tip (3)
4. Unscrew heating contact (4), remove grouping spring (5)
5. Remove the full heat wire group (6).
6. Please reference to diagram Section (7) - (8)
7. Replace the old one the good condition heating element
8. Reverse the process to secure the heating element in the handle.
Care and Maintenance
• Keep the soldering station dry; if it gets wet, dry it immediately.
• Use the soldering station only in normal temperature environments.
• Keep the soldering station away from dust and dirt.
• The soldering iron tip should be cleaned after use by wiping it on the damp sponge found in the soldering iron stand. This is
to get rid of burnt solder or fluxes that cause oxidation on the tip.
