BWT AQA drink Pro 20 HCS Instructions De Montage Et De Service page 20

Error
Dispensing of hot water is not possible
Cannot dispense CO
2
Cold water not cold enough
Water contains too little CO
2
When the CO button is pressed, only
2
CO escapes
2
EN Water leakage
UV LED flashes, an acoustic signal
sounds and water output is not possible
UV LED indicator flashes on the control
panel, an acoustic alarm sounds
The UV LED lights up continuously (> 10
min.), even if no water is drawn
38
Cause Error recovery
On-off switch on the Switch on the on-off switch for
rear for hot water (HOT) hot water (HOT) on the rear of the
is off dispenser
Problem with the boiler Contact a service technician
Not enough water in the Top up the water or refill the tank and
tank check the device's pipework.
Defective pump Contact a service technician
CO on/off switch
2
on the rear panel is Switch the CO on/off switch to on
2
switched off
Thermostat is not set Check the thermostat and, if neces-
correctly sary, reduce the temperature
Ambient temperature Reduce ambient temperature or place
>30 °C the unit in a cooler room
Check the free space behind the unit
Unit is placed too close
(at least 150 mm). Increase the clear-
to the wall
ance if necessary
CO gas cylinder is
2
Replace the CO gas cylinder
2
empty
Turn off the water and actuate the
CO tank must be CO outlet until only gas escapes.
2 2
vented Then turn on the water again and
allow the CO to refill
2
Insufficient CO pres-
2
Increase CO pressure up to 4 bar
2
sure
Set the thermostat to a lower temper-
Temperature setting is
ature. The higher the water tempera-
too high
ture, the less CO can be absorbed
2
Disconnect the device from the pow-
Pump does not react er supply for 30 seconds and recon-
nect and press the CO
2
Not enough water
Check water pressure
pressure
Close the water tap, disconnect the
Water pipes in the
device from the power supply, then
device are defective
contact a service technician
Empty the waste water tank. If
necessary, disconnect the unit from
Wastewater tank is full
the mains supply for 10 seconds and
reconnect it
Leakage sensor is
Contact a service technician
activated
Disconnect the device from the
power supply and unplug the connec-
tion; plug it back in, then switch the
UV lamp is not con- device on again. If the UV lamp does
nected properly or is not work, then disconnect the device
defective from the power supply again and
replace the UV lamp. It is essential to
observe the warnings, see Section
6.4.
UV board error Contact a service technician
9. AQA DRINK PRO 20 HYGIENE CHECKLIST
Component
External hous-
ing and front
panel
Water outlet
parts
Drip tray and
grid
Ventilation
slots
Water circuit
in the water
dispenser
Filter
key again
CO safety
2
check
UV reactor/
quartz glass
* six-monthly or when capacity is used up
** or every 2 years
Frequency of action
Type of
action
daily weekly six-monthly
Cleaning
Disinfection
Cleaning
Emptying
Cleaning
Disinfection
Replacement
*
Check the gas
pressure reducer
and check the
entire device
for leaks
Visual inspection
for contaminants
or cloudiness on
the quartz glass
To be performed by
annually
Customer/operating
company (remove lime
marks from the surface
of the device using a
descaling spray and
then clean and disin-
fect using a sanitary
spray)
Customer/operating
company (clean and
disinfect using a sani-
tary spray)
Customer/operat-
ing company (under
running water with
standard mild cleaner)
Customer/operating
company
Technical staff of
the distributor or
authorised, qualified
technical staff
Technical staff of
the distributor or
authorised, qualified
technical staff
Technical staff of
the distributor or
authorised, qualified
technical staff
Technical staff of
the distributor or
authorised, qualified
**
technical staff (only by EN
competent person)
Technical staff of
the distributor or
authorised, qualified
technical staff (only by
competent person)
39