www.stiebel-eltron.com DHM 6 220 | 13
INSTALLATION
SHUTTING DOWN
Make users aware of potential dangers, especially the risk of
scalding.
Hand over these instructions.
11.3 Recommissioning
!
Material losses
Following an interruption of the water supply, recommis-
sion the appliance by carrying out the following steps,
in order to prevent irreparable damage to the bare wire
heating system.
Isolate the appliance from the power supply. Pull the power
cable plug, if present, from the socket, or remove the fuse/
reset the MCB.
See chapter “Initial start-up”.
12. Shutting down
Isolate the appliance from the power supply by means of the
fuse/MCB in your fuse box or by pulling the power cable plug
from the socket.
Drain the appliance (see chapter “Maintenance”).
13. Troubleshooting
Problem Cause Remedy
The appliance will not
start despite the DHW
valve being fully open.
The aerator in the tap is
scaled up or dirty.
Clean and/or descale the
aerator or replace the
special aerator.
The sieve in the cold
water line is blocked.
Clean the sieve after
shutting off the cold
water inlet line.
The heater is faulty.
Check the resistance of
the heating system and
replace the appliance if
required.
The safety pressure limit-
er has responded.
Remedy the cause of
the fault. Isolate the ap-
pliance from the power
supply and depressurise
the water line. Activate
the safety pressure
limiter.
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