Faema E71 E Engineer's Manual page 49

MALFUN.
DESCRIPTION
CODE
Error in the group that is
dispensing.
(x)66
(x = 1, 2, 3, 4)
Note: Group 1 is to the far left.
Measure-grinder adjustment:
Bluetooth set up by the
(x)70
technician. (x = 1, 2)
MM1 > 170; MM2 > 270
Temporary communication
problem with the keyboards/
082
TFT display.
Services key communication
083
error.
Group x (x = 1, 2, 3, 4) keypad
(x)83*
communication error
Note: Group 1 is to the far left.
Bluetooth communication
(x)85*
error (x = 1, 2)
MM1 > 185; MM2 > 285
NVM RAM data integrity error
089
No tank during milk washing
091*
cycle
Request water softener resin
092
regeneration.
Request replacement water
093
filter.
Maintenance needed.
096
POSSIBLE CAUSES
• Incorrect keyboard
configuration (if
applicable).
• Wiring interrupted
• Card failure.
• Incorrect keyboard
configuration (if
applicable).
• Wiring interrupted
• Card failure.
• Incorrect association with
measure grinder.
• Measure grinder turned
off.
• Incorrect association with
measure grinder.
• Measure grinder turned
off.
Data integrity error in non-
volatile RAM memory of
the CPU board.
• Removal of tank during
the wash.
• Tank presence sensor
faulty.
44 EN
VERIFICATIONS and SOLUTIONS
• C heck water is supplied from the main line.
• C heck there are no fitting obstructions or leakage.
• C heck flowmeter electrical connections.
• R eplace the broken flowmeter.
• R eplace the broken board.
Event only archived and not displayed on the
display during normal machine operation.
• C heck the insulation.
• C heck the wiring and connections.
• Check that the dip switches are correctly configured
on the key board (if applicable).
• C heck cabling
• R eplace key board.
• C heck that the dip switches are correctly configured
on the key board (if applicable).
• C heck cabling
• R eplace key board.
• Turn on the grinder.
• R epeat device association.
Turn the machine off and on again. If the error
persists, replace the CPU board.
Check the condition of the clock battery.
• Check the correct operation of the tank presence
sensor on the manual control panel.
• Check the wiring.
• Softener maintenance.
• Replace the water-softner filter.
• The machine has displayed the message to warn
the user that maintenance must be performed. Carry
out maintenance operations.