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Errors and malfunctions
Cornelius Deutschland GmbH
Document no. TD0003100
Version 18/03/2019, Index 0
Installation and service manual Tower
Nueva
26
9 Errors and malfunctions
DANGER!
Risk of personal injury and equipment damage due to non-compliance with safety information!
Failure to observe the safety information will result in a risk of bringing about operating conditions at the unit,
which may cause personal injury or equipment damage.
•
Please always strictly observe all safety measures and information/instructions; see chapter 1.
NOTICE!
All installation, maintenance and repair work at the unit is to be carried out by an expert only.
WARNING!
Risk of personal injury and equipment damage due to operation by non-qualified staff!
It is dangerous for non-qualified staff to operate the unit!
•
Service operations on this unit may only be carried out by trained and certified experts who have been
trained in carrying out service operations on this unit.
• All wiring and plumbing must be carried out in compliance with national and local laws, regulations and
guidelines. Non-compliance with these laws, regulations and guidelines may result in death, serious injury
or equipment damage.
9.1 Troubleshooting table
Fault Probable cause Remedy
Unable to dispense No mains/power supply connected Connect the mains/power supply; see chapter
5.3
Tower is not switched on Turn the key switch to position “I”; (see chapter
8.1)
Fault or error on the dispensing valve See dispensing valve documentation
Beverage is too warm Fault or error on the undercounter cooler See undercounter cooler documentation
Beverage foams for all
products Soda water is too warm See undercounter cooler documentation
CO
2
feed pressure for the soda circuit is too high
on the relevant pressure-reducing valve
Adjust the CO
2
feed pressure to the required
value (see documentation on the CO
2
system)
Syrup has been stored too long and has had CO
2
added (stainless steel tanks only)
Connect a new syrup container (see under-
counter cooler documentation)
Contaminated tubes Clean the tubes (see chapter 6.2)
Only soda is being dis-
pensed Syrup container is empty Connect a new syrup container (see under-
counter cooler documentation)
Connections on the syrup container are not prop-
erly connected Connect the connections on the syrup container
properly (see documentation on the syrup con-
tainer)
CO
2
feed pressure for the syrup tube is set incor-
rectly on the relevant pressure-reducing valve
Adjust the CO
2
feed pressure to the required
value (see documentation on the CO
2
system)
Syrup tube is contaminated Clean the tubes (see chapter 6.2)
Fault or error on the undercounter cooler See undercounter cooler documentation
Fault or error on the dispensing valve See dispensing valve documentation
Only syrup is being dis-
pensed Shut-off valve or pressure-reducing valve for the
fresh water supply is closed Open the shut-off valve and pressure-reducing
valve for the fresh water supply (see documen-
tation on the drinking water system)
Fault or error on the undercounter cooler See undercounter cooler documentation
Soda/syrup ratio is incorrect Fault or error on the dispensing valve See dispensing valve documentation
CO
2
feed pressure for the syrup tube is set incor-
rectly on the relevant pressure-reducing valve
Adjust the CO
2
feed pressure to the required
value (see documentation on the CO
2
system)
Insufficient amount of CO2
in the beverage CO
2
pressure for soda is set incorrectly on the
relevant pressure-reducing valve
Correctly adjust the CO
2
pressure for soda on
the relevant pressure-reducing valve (see docu-
mentation on the CO
2
system)
Fault or error on the undercounter cooler See undercounter cooler documentation
CO
2
supply too low Change the CO
2
bottle