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This manual is designed to familiarize and instruct the
technician with the proper operation and maintenance
of the equipment. The “Care and Safety Precautions”
section explains the hazards of using any type of solder-
ing or reworking device. Please read carefully and ob-
serve the guidelines in order to maximize usage and mini-
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BASIC TROUBLESHOOTING GUIDE
PROBLEM 1: THE UNIT HAS NO POWER
1. Check if the unit is switched ON.
2. Check the fuse. Replace with the same type if fuse is blown.
3. Check the power cord and make sure there are no disconnections.
4. Verify that the unit is properly connected to the power source.
PROBLEM 2: TEMPERATURE IS NOT INCREASING
Description:
Tip temperature does not increase, display shows the word
“PEn”
SOLUTION:
The solder Iron is not connected or its connection is loosely connected to the
main station. Plug the solder iron firmly and lock into position.
CASE 2:
Solder Iron is properly connected, display still shows “PEn”
SOLUTION:
The sensor or wires of the sensors may have been damaged. Replace heating
element (sensor is integrated into the heating element). Or check the wirings
of the solder iron pen.
PROBLEM 3: SOLDER IRON IS OVERHEATING
Description:
Solder iron tip is getting too hot while the displayed actual tem-
perature stays below 200.
SOLUTION:
If the heating element have just been replaced then the heating element wires
might have been soldered incorrectly. Heating element have polarities and
should be soldered accordingly.
PROBLEM 4: OTHER PROBLEMS NOT MENTIONED IN THIS DOCU-
MENT
SOLUTION:
Please bring the unit to a certified service station.
