For Users; By The User - AEG DDLE LCD 18 Gebrauchs- Und Montageanweisung

For users

6. Troubleshooting
Fault
The heating system inside the
instantaneous water heater will not
start in spite of the tap being fully open.
Intermittent cold water
Table 5
32

by the user

Cause
No voltage.
The start-up volume required to start the
heater has not been reached.
Contamination or scaling of perlators in
water taps or shower heads.
Heating system faulty.
The air sensor detects the presence of air
in water and briefly switches the heater
off.
Remedy
User / contractor:
Check the fuses in your fuse board.
User / contractor:
Clean and / or descale.
Call service / contractor:
Test heater and replace, if required.
Device starts again after one minute.