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4. Drop the heater into the ceiling mounting slot.
7┃TROUBLESHOOTING
Problem
It has noise when
original charged with
electricity
The surface of the
device was slightly
raised.
The surface of the
heating device is
slightly warm.
8┃MAINTENANCE & 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 housing to be opened
must only be carried out by authorized specialist
9
Reason
Due to the structure
stress of the heat
insulator.
Due to the thermal
expansion of the surface
material.
1. The voltage is low.
2. In a low-temperature
environment.
Measure
It is a normal
phenomenon.
Don't worry about it.
It is a normal
phenomenon.
Don't worry about it.
1. Install a voltage
regulator.
2. It is normal.
73
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