Shutting Down; Troubleshooting - STIEBEL ELTRON DEM 3 Bedienungsanleitung

INsTALLATIoN

shutting down

Limiting the flow rate
Factory setting: Maximum flow rate
f Using the adjusting screw, set the maximum required flow f
rate:
- Lowest flow rate = wind the screw in as far as it will go.
- Highest flow rate = wind the screw out as far as it will go.
f Fit the appliance cover. f
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12. Shutting down
f Isolate the appliance from the power supply by means of the f
fuse/MCB in your fuse box or by pulling the power cable plug
from the socket.
f Drain the appliance (see chapter "Maintenance"). f

13. Troubleshooting

Problem Cause
The appliance will not The aerator in the tap is
start despite the DHW scaled up or dirty.
valve being fully open.
The flow rate is set too
low.
The sieve in the cold water
line is blocked.
The heater is faulty.
The safety pressure limiter
has responded.
The required tem- The appliance operates at
perature is not being its output limit.
reached.
remedy
Clean and/or descale the
aerator or replace the spe-
cial aerator.
Increase the flow rate.
Clean the sieve after
shutting off the cold water
inlet line.
Check the resistance of
the heating system and
replace the appliance if
required.
Remedy the cause of the
fault. Isolate the appliance
from the power supply and
depressurise the water
line. Activate the safety
pressure limiter.
Reduce the flow rate.
DEM | 45