Errors and malfunctions
Cornelius Deutschland GmbH
Document no. TD1002000
Version 01/10/2019, Index 2
Operator manual Undercounter cooler
Energize 2-5 HC
37
NOTICE!
Crushed ice in the cup may also cause decarbonisation.
When the finished beverage comes into contact with sharp-edged ice, CO
2
is released from the dispensed drink.
Insufficient amount
of CO
2
in the bever-
age
CO
2
pressure for soda is set incor-
rectly on the relevant pressure-re-
ducing valve
Correctly adjust the CO
2
pressure
for soda on the relevant pressure-
reducing valve (see documenta-
tion on the CO
2
system)
Air in the carbonator tank
Please contact your service part-
ner
CO
2
supply is contaminated
Please contact your service part-
ner
Alarm on (red)
Time out on pump cycle; carbon-
ator pump is blocked
Check the water pressure, see
chapter 4.1
Briefly stop operation of the un-
dercounter cooler; see chapter 4.3
Alarm (red) flashes
approx. 1x per sec-
ond
Time out due to insufficient water
(pressure fluctuations), carbonator
pump is blocked.
Check the water pressure, see
chapter 4.1
Briefly stop operation of the un-
dercounter cooler; see chapter 4.3
CO
2
alarm on
(orange)
CO
2
pressure <0.35 MPa; carbon-
ator pump, valves and solenoid
valve deactivated
Check the CO
2
supply; see chap-
ter 4.1
24 V power supply to the tower is
interrupted
Check the 24 V power supply, see
chapter 4.1
Power/mains
(green) flashes ap-
prox. 1x per second
Low voltage < 190 V, consumers
are blocked
Automatic reset is performed
Power/mains
(green) flashes ap-
prox. 4x per second
Overvoltage > 260 V, consumers
are blocked
Automatic reset is performed
Power/mains
(green) + alarm
(rot) flash alternate-
ly
Carbonator system is blocked
Briefly stop operation of the un-
dercounter cooler; see chapter 4.3
Control system 1 defective
Please contact your service part-
ner
Control system 2 defective
Please contact your service part-
ner
Fault
Probable cause
Remedy
