32
6.
Troubleshooting
by the user
For users
Fault
Cause
Remedy
The heating system inside the
instantaneous water heater will not
start in spite of the tap being fully open.
No voltage.
User / contractor:
Check the fuses in your fuse board.
The start-up volume required to start the
heater has not been reached.
Contamination or scaling of perlators in
water taps or shower heads.
User / contractor:
Clean and / or descale.
Heating system faulty.
Call service / contractor:
Test heater and replace, if required.
Intermittent cold water
The air sensor detects the presence of air
in water and briefly switches the heater
off.
Device starts again after one minute.
Table 5
Summary of Contents for DDLE LCD 18
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