©
2017, Cornelius Inc.
- 16 -
Troubleshooting
Important – only servicing personnel may repair internal parts or electronic circuits
Warning
Prior to any servicing operations, make sure the power supply, gas supply and coffee keg
have been disconnected and inner pressure has been released by operate taps. Failure to follow these
instructions will result in serious injury, death or damage to the device. After any maintenance, be
sure to restore the parts of the device to their original state.
Danger
After the servicing, the unit and settings should be installed to the correct state. Failure to
follow these instructions will result in serious injury, death or damage to the device.
Fault/problem
Possible causes
Troubleshooting
Coffee flow at
outlet is small
Coffee keg is not connected to the system
Secure the connectors of nitrogen and
liquid pipelines on the coffee keg
Valve nozzle on tap is blocked
Wash the valve nozzle of tap
No reading on nitrogen pressure gauge,
and main valve on nitrogen cylinder is not
opened
Open the main valve of nitrogen cylinder
Pressure readings on gas regulator is
lower than set value
Insufficient nitrogen in nitrogen cylinder
Insufficient
foam in coffee
Small coffee flow rate
Solve flow rate issue firstly
The main valve of nitrogen cylinder is not
open or pressure is insufficient
Ensure that there is sufficient nitrogen
supply
Dispense coffee again after disinfection
of the device, but the first 3 cups must be
abandoned.
Keep on dispensing to observe the
bubbles
It is needed to tune the nitrogen infusion
rate control valve finely
Finely tune the volume of charged
nitrogen if really needed
Excessive foam
in coffee
Insufficient coffee in coffee keg
Replace it with filled coffee keg
Dispense coffee again after disinfection
of the device, but the first 3 cups must be
abandoned.
Keep on dispensing to observe the
bubbles
It is needed to tune the nitrogen infusion
rate control valve finely
Finely tune the volume of charged
nitrogen as needed
Excessive
coffee
temperature
Power of the body is not on
Turn on the power of the body
Overload protection
Press to reset overload protector
Ice-bank is not filled with sufficient water
(initial installation)
Add more water
Overheating of pre-cooling body
Check if filter screen is blocked
Fault of refrigeration system
Please contact device servicing personnel
Leakage on the
device
Leakage of coffee or nitrogen
Turn off the main power supply and
close the main nitrogen valve. Please
contact device servicing personnel
Damage of parts
Turn off the main power supply and
close the main nitrogen valve. Please
contact device servicing personnel
Содержание Cascata180
Страница 18: ... 2017 Cornelius Inc 17 ...
Страница 19: ... 2017 Cornelius Inc 18 ...
Страница 20: ...Cornelius Tianjin Co Ltd www cornelius com cn ...