Victoria Arduino MYTHOS 2 Service Manual page 52

8.1 WARNING MESSAGES
DISPLAY
Empty bean hopper
Filterholder presence
Machine cleaning
8.2 ALARM MESSAGES
DISPLAY
Blocked motor inv
Error communication
Error communication
Error head probe CC
Error head probe NC
Error motor probe CC
Error motor probe NC
Error motor temperature
8.2
POSSIBLE CAUSE
• Bean hopper is empty or with low
level.
• Bean hopper level sensors are
faulty.
• Machine switched ON with filter-
holder.
• Scale is faulty.
• Output chute is obstracted.
POSSIBLE CAUSE
• Output chute is obstracted.
• Communication error with inverter.
• Inverter is faulty.
• Head temperature probe with
short-circuit.
• Head temperature probe is faulty.
• Head temperature probe is not
connected properly.
• Head temperature probe with
short-circuit.
• Motor temperature probe is faulty.
• Motor temperature probe is not
connected properly.
• Motor is blocked at low speed.
• Output chute is stopped.
• Grinder size is too much fine.
POSSIBLE SOLUTIONS
• Add coffee beans.
• Check level sensors connection to
display.
• Replace level sensors.
• Remove filterholder and turn
machine OFF/ON.
• Check scale sensor connection to
display.
• Check scale sensor assembling.
• Replace scale sensor.
• Leave the cleaning to end.
• Clean grinding chamber and chute.
• Reduce grinding speed.
• Enlarge grinding size.
• Replace clump crusher.
• Turn machine OFF/ON.
POSSIBLE SOLUTIONS
• Turn machine OFF/ON.
• Clean grinding chamber and chute.
• Enlarge grinding size.
• Replace clump crusher.
• Turn machine OFF/ON.
• Check inverter connection to main
board.
• Check inverter and/or replace it.
• Turn machine OFF/ON.
• Check inverter connection to main
board.
• Check inverter and/or replace it.
• Replace probe.
• Check probe connection to main
board.
• Replace probe.
• Replace probe.
• Check probe connection to main
board.
• Replace probe.
• Turn machine OFF/ON.
• Clean grinding chamber and chute.
• Enlarge grinding size.
• Replace clump crusher.
• Check motor and/or replace it.
MYTHOS 2