MAINTENANCE
WARNING Electrocution
Before any work on the appliance, disconnect all poles of the
appliance from the power supply.
Dismantle the appliance for maintenance work.
Draining the appliance
WARNING Burns
Hot water may escape during draining.
Drain the appliance via its connectors.
Opening the appliance
Pull off the temperature selector.
Remove the screws from the appliance cap.
Open the appliance cover by lowering the bolt screws inwards and pivot
the cover upwards, then remove it.
Descaling the appliance
Material losses
Never treat the cylinder surface with descaling agents.
Remove the flanged immersion heater.
Carefully tap the heating element to remove coarse limescale
deposits.
Immerse the heating element up to the flange plate in descaling
agent.
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