03/04
ComBi
line
94
13.
TROUBLESHOOTING
If your appliance is not functioning correctly, use the troubleshooting guide below to see whether you can resolve
the problem yourself. If not, please contact your dealer.
WARNING
•
Have all repairs to the electrical system performed
by a qualified service technician.
C3 (coffee)
I
Coffee maker doesn't fill any more.
C3 (coffee)
II
Coffee maker fills too slowly.
C4 (coffee)
Water inlet valve doesn't close properly.
Call the service engineer or dealer.
C7 (coffee)
Minimum electrode fault.
Call the service engineer or dealer.
C9 (coffee)
Problems with registering the volume of
water.
Call the service engineer or dealer.
Error message
Display
Possible cause
Action
B0 (boiler)
Hot water system temperature sensor
problem.
Call the service engineer or dealer.
B1 (boiler)
Hot water system temperature sensor
problem.
Call the service engineer or dealer.
Hot water system heats up longer than
usual (keeps heating).
Possibly because of limescale forming on the
boiler wall. Check to see if the hot water system
needs to be descaled, and descale if necessary.
B3 (boiler)
Coffee maker fills too slowly.
Check the water pressure, turn the water supply
taps completely open, check if the connecting
hose is fastened. Restart the hot water system.
Reset dry-boil protection coffee making unit
(fig. 1-8). Check to see if the coffee maker
needs to be descaled, and descale if necessary.
C2 (coffee)
Coffee maker doesn't work.
Dry-boil protection switched off.
Check the water pressure, turn the water supply
taps completely open, check if the connecting
hose is fastened. Problem solved, error
message disappears.
Check the water pressure, turn the water supply
taps completely open, check if the connecting
hose is fastened.
C8 (coffee)
Error C3 changes to C8 after 10 minutes.
The inlet valve is closed for safety.
Please note: this also happens when the
max level is reached!
Restore water supply and restart the coffee
making process.
B2 (boiler)
Hot water system doesn't heat up.
Dry heating safety switched off.
Reset dry boil protection hot water system
(fig. 1-12). Check to see if the hot water system
needs to be descaled, and descale if necessary.