ENGLISH
18
Malfunction
Cause
Remedy
The operating
pressure in the
heating system
fluctuates.
Preliminary pressure in the MAG
too low.
♦
Check and raise the preliminary
pressure in the MAG if necessary
The MAG is faulty
♦
Replace the MAG
Air in the system
♦
Vent the system
19
Cleaning and maintenance
Clean the unit as necessary.
This will prolong the service life of the unit and ensure smooth operation.
♦
Wipe the casing with a soft, damp cloth.
♦
Never use aggressive and solvent-based cleaning agents. Otherwise this will
damage the casing and attached parts.
♦
Use e.g. a mild washing-up detergent for cleaning.
Ensure that the unit is serviced once a year.
This will prolong the service life of the unit and ensure smooth operation.
Caution
Tip
Caution
Maintenance plan
Caution
Please always observe the respective valid standards and regulations.
EPE2
EPR2
♦
Clean the unit
Every time after use
1 x year
♦
Check and clean heating
rods
Every time after use
1 x year
♦
Check the STb
Every time before commis-
sioning
1 x year
♦
Check the ground fault circuit
interrupter
Every time before commis-
sioning
1 x year
♦
Dirt trap in the return flow
Every time after use
Does not exist
