32
6.
Troubleshooting
by the user
For users and contractors
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.
Table 5
7.
Troubleshooting
by the contractor
Fault
Cause
Remedy
Stage II in the device will not start.
Pressure in the cold water line too low.
Descale and if required replace shower
head/perlator.
Contamination
Clean sieve (
A
22).
Throughput volume controller (
A
7, output switch unit) will not start
in spite of tap being fully opened.
The start-up volume required to start the
heater has not been reached.
Clean sieve (
A
22).
No hot water in spite of audible
sound of the differential pressure
switch starting.
Safety pressure limiter (AP 3) has switched
the device off for safety reasons.
Remove cause of fault
(e.g. faulty pressure washer).
Open downstream tap for 1 minute. This
depressurises and cools down the heating
system, protecting it against overheating.
Press the pushbutton on the safety
pressure limiter (push
A
8).
No voltage.
Check fuse/MCB (fuse box).
Heating system faulty.
Test the heating system resistor and
replace if required.
Table 6
Summary of Contents for DDLT PinControl 13
Page 18: ...18 Notizen ...
Page 19: ...19 Notizen ...
Page 35: ...35 Notes ...
Page 51: ...51 Для заметок ...
