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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.
Maintenance & Servicing
Activities required before starting maintenance
Warning of electrical voltage
• If the power cord comes without plug, disconnect the circuit before
connecting it.
• Do not touch the mains plug or power cord connection 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 companies.
Cleaning the device
Warning of electrical voltage
Never immerse the device in water!
Clean the device with a soft, damp and lint-free cloth. Ensure that no moisture enters
the housing. Protect electrical components from moisture. Do not use any aggressive
cleaning agents such as cleaning sprays, solvents, alcohol-based or abrasive cleaners to
dampen the cloth.Wipe the housing dry after cleaning
Troubleshooting
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.
13
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.
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