8
8. Failure Analysis &Trouble Shooting
Symptoms
Causes
Solutions
The power supply is connected and
the indicator is on, but it does not heat
up.
1
．
The temperature detect
switch is damaged.
2
．
One or two of the heating
elements burn out.
1
．
Replace the temperature
detect switch.
2
．
Replace
the
burnt-out
heating element.
The power supply is connected and
the indicator is on, but the temperature
keeps rising and out of control.
1. The temperature detect
switch is damaged.
1. Replace the temperature
detect switch.
The power supply is connected and
heating is normal, but the indicator is
off.
1. The indicator is
damaged.
1. Replace the indicator.
Connect the power supply, it does not
heat up and the indicator is off.
1. The power supply is
abnormal or
disconnected.
1. Check the power supply.
Aforementioned troubles are just for reference. If any failure occurs, please stop
using and inform professional technicians to check and repair.
