Replacing The Non-Return Valve; Troubleshooting - Franke AQCT0064 Notice De Montage Et De Mise En Service

26. Replacing the non-return valve

Warning!
All non-return valves must be replaced at the same time.
Failure to observe this instruction can result in an increased germ load in the
drinking water and thus pose a health or mortality risk.
26.1 Remove the shower panel (see
26.2 Loosen the cap nuts (b).
26.3 Remove the hoses (a).
26.4 Remove the existing seals (c).
26.5 Remove the locking ring (d) on the inside using appropriate pliers for locking rings.
26.6 Pull the non-return valve (e) out of the function block using a special tool
(FAR-Best.-Nr. 2000105636).
26.7 Remove the lock (f) using an Allen key.
26.8 Remove the spacer (g).
26.9 Pull the non-return valve (h) out of the function block using a special tool
(FAR-Best.-Nr. 2000105636).
Caution!
Note the installation position of the non-return valves.
26.10 Reassemble in reverse order.

27. Troubleshooting

Fault
Water does not flow
Flow time too short or
too long
Chapter
Cause
– Water supply interrupted
– Water volume regulator closed
– Power supply interrupted
– Solenoid valve cartridge faulty
– Sensor faulty
– Dirty filters/non-return valves
– Incorrect flow time setting
– Shower head blocked with scale
- 16 -
20.).
Remedy
➯ Restore it
➯ Open it
➯ Restore it
➯ Replace it
➯ Replace it
➯ Clean and
replace if
necessary
➯ Set it
➯ Cleaning