4 Servicing
4.1 General information on servicing
Regular cleaning of the boiler extends its life and is a basic requirement for smooth
operation.
You should therefore clean the boiler regularly.
DANGER
When working on electrical components:
Risk of electrocution!
When work is carried out on electrical components:
❒ Only have work carried out by a qualified electrician
❒ Observe the applicable standards and regulations
➥ Work must not be carried out on electrical components by unauthorised
people
WARNING
When inspecting and cleaning the boiler with the main switch on:
Serious injuries possible due to automatic boiler startup!
Before inspection and cleaning work in/on the boiler:
❒ Press the Stop button
➥ The boiler follows the shutdown procedure and switches to "Switched off
Off" status
➥ Allow the boiler to cool down for at least 2 hours.
➥ Switch off the main switch and take precautions to prevent accidental
switching on.
WARNING
Incorrect inspection and cleaning:
Incorrect or insufficient inspection and cleaning of the boiler can cause serious
faults in combustion (e.g. spontaneous combustion of carbonisation gases / flash
fires) and this can lead to serious accidents and damage!
Take the following precautions:
❒ Clean the boiler following the instructions in the instruction manual. Follow the
boiler operating instructions.
Servicing
4
General information on servicing
Operating Instructions TM 150/199/220 | B0310611_en 27
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