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7.
PROBLEM SOLVING
The Problem
Reason
Solution
The device
makes noise
when powered.
Structural stress of
the thermal
insulator.
If the noise
persists, claim the
device.
The surface of
the device is
slightly convex,
raised.
This is due to the
thermal expansion
of
the
surface
material
It's a common
phenomenon.
Don't worry about
it.
The surface of
the
heating
device is not
warm enough.
1. Voltage is low.
2. The device is in
a room with a low
temperature.
1 Install the voltage
regulator.
2.Wait a little longer
than usual.
8.
MAINTENANCE AND SERVICE
Actions required before starting maintenance
Warning of electrical voltage
•
Do not touch the mains plug with wet or damp hands.
•
Hold the mains plug of the device against the mains socket
when pulling out the power cord.
•
Allow the device to cool completely.
Warning of electrical voltage.
Only a qualified technician may perform operations that
require removal of the equipment cover.
