“LB 2000 OFFICE COFFEE SERVICE”
M
ANUAL CODE
83356 / R
EL
. 0.00 / M
ARCH
2005
8
2/5
Troubleshooting
Error
What has happened
Possible cause
Where to find the cause
code
Hydraulic circuit
interrupted
Failure of memory clock
Short circuit of sensor
Temperature sensor not
connected
Temperature too high.
Even though the machine is
ready it does not detect
water flow in the circuit
CPU card broken
Coffee temperature sensor
short circuit
Temperature sensor broken
Temperature wire
disconnected
The temperature of the
heating unit is inexplicably
increased.
Hydraulic circuit tube interrupted,
clogged or disconnected
Unit occluded
Solenoid valve occluded or broken
Pump damaged or interrupted
Pump thermal switch off
Heating unit occluded
Power card broken (TRIAC)
Command from CPU card
CPU card not functioning
CPU card battery completely
discharged (the battery is not
replaceable)
Check the coffee temperature
sensor
Check the coffee temperature
sensor
CPU card malfunctioning (It does
not command the POWER card).
21
(•)
31
51
52
53
