688015 en ma 2019
5
6. TROUBLESHOOTING
Troubles
Possible Causes
Recommended Solution
1. The machine is plugged in
to the power supply, power
indicator is not on and the
machine is not working.
1. Plug is not inserted well.
2. Micro-switch contacts not
well.
1. Remove the plug.
2. Adjust the limit distance of
micro-switch
2. Heating indicator is not on
and temperature is not rising.
1. Connection of electric
heating tube is loose.
2. Heating tube is burned
1. Firm two sides of electric
heating tube and screw.
2. Change the electric heating
tube.
3. Power indicator is on but the
temperature is not rising.
1. Temperature controller is
burned.
1. Replace temperature
controller.
4. Temperature control is normal
but indicator is not on.
1. Indicator is burned.
1. Replace indicator.
5. After circuit heating, electric
heating tube is not heated.
1. Temperature limiter safety
mechanism works.
1. Reset "over heating
protecting button" manually.
6. Temperature control can not
be controlled.
1. Temperature limiter
malfunctions.
1. Replace temperature limiter.
Problems mentioned above are just for reference. If any other errors occur,
please stop using immediately and seek for professional help.