Maintenance manual for technical assistance - LB 2800 - LB 2810
Manual code 10066574 / Rel. 0.00 / March 2009
22
COFFEE IS TOO COLD
COFFEE IS TOO HOT
PROBLEM
CAUSE
SOLUTION
1) Replace the electrical heating
element
2) Check for any defective con-
nections
3) Clean the machine
4) Reset the heating element
protection
5) Clean the connections of the
exchanger, and clean or repla-
ce
the two circulation tubes
6) Eliminate air pockets in the
hydraulic circuit in the follo-
wing manner:
- disconnect the electrical
power supply to the pump
- close the mains water tap
- perform a dry delivery run
for a few minutes
- reconnect the electrical
power supply to the pump
- open the mains water tap
- perform delivery until water
comes out
- wait a few minutes for hea-
ting
1) The electrical heating element
is defective
2) The electrical connection is
defective
3) Lime scale on heat exchanger
and/or heating element
4) The heating element protec-
tion thermostat has cut in
5) Lime scale has reduced the
circulation of water
6) The delivery group is cold
1) The boiler temperature is too
high
2) The flow reducer of the group
is unsuitable
1) Reduce the temperature in the
boiler
2) Replace the injector with one
of a smaller diameter
Summary of Contents for LB 2800
Page 36: ......
