Use and Care Manual

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7TROUBLESHOOTING
Problem
Reason
Measure
It has noise when
original charged with
electricity
Due to the structure stress
of the heat insulator.
It is a normal
phenomenon.
Don't worry about it.
The surface of the
device was slightly
raised.
Due to the thermal
expansion of the surface
material.
It is a normal
phenomenon.
Don't worry about it.
The surface of the
heating device is slightly
warm.
1. The voltage is low.
2. In a low-temperature
environment.
1. Install a voltage
regulator.
2. It is normal.
8MAINTENANCE & SERVICING
Activities required before starting maintenance
Warning of electrical voltage
Do not touch the mains plug with wet or damp hands.
Hold onto the mains plug while pulling the power cable out
of the mains socket.
Allow the device to cool down completely.
Warning of electrical voltage
Tasks which require the heater housing to be opened
must only be carried out by authorized specialist
companies.