Basic Troubleshooting Guide - aoyue INT 2702A+ Instruction Manual

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: HOT-AIR GUN TEMPERATURE DISPLAY IS ALWAYS ABOVE 500
Description: Constant display of above 500
an "Err1" on the panel after a few minutes.
SOLUTION:
The thermal sensor may be broken and needs to be replaced.
PROBLEM 3: HOT-AIR GUN ACTUAL AIR TEMPERATURE IS NOT INCREASING
Description: Actual temperature reading is not increasing or decreasing based on
desired level.
SOLUTION:
The heating element may be broken or is at the end of its life and needs to be replaced.
PROBLEM 4: THE UNIT IS VIBRATING TOO MUCH
SOLUTION: Check if the 4 screws that hold the pump in place are properly and tightly
connected. Unplug the system from the main power source before opening the case to
check inside the station.
PROBLEM 5: THE UNIT IS VERY NOISY
SOLUTION:
Make sure the screw at the center of the base of the main unit has been removed. This
holds the pump in place during transportation and needs to be removed before using the
equipment.
PROBLEM 6: SOLDERING IRON TEMPERATURE DISPLAY PANEL SHOWS "PLUG"
CHARACTERS
Case 1: The system shows "PLUG" from the soldering iron temperature display
panel .
SOLUTION 1: Check if the soldering iron connection assembly is properly connected
and secured to the receptacle on the control panel.
SOLUTION 2: Make sure the soldering iron tip is properly inserted and secured inside
the handle. Loose contacts between the tip and handle can also cause this error message.
o
C temperature from the panel then displays
o
C