Troubleshooting - STIEBEL ELTRON DEM 6 Operation And Installation Instructions Manual

1. Operation Instruction

6. Troubleshooting

Problem
For qualified installer / technician
The appliance will not
start despite the hot water
mixer valve being fully open.
The required temperature
is not being reached.
8
for the user and the qualified installer
Cause
No power to the appliance.
The aerator in the tap is
scaled up or dirty.
The water supply has
been interrupted.
The maximum temperature
set inside the appliance
is too low.
For end user
The appliance is at its
output limit.
Remedy
Check the fuses in the house
installation.
Clean and/or descale the
aerator or replace the
special aerator.
Vent the appliance and
the cold water inlet line
(see chapter "Settings").
Have your qualified contractor
adjust the maximum
temperature.
Reduce the flow rate.
STIEBEL ELTRON