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Operation Manual
System Status Screen
Message Displayed
Blower & Fan current is over safety
level
Blower & Fan current is under
minimum operation level
Brewer current is over safety level
Brewer current is under minimum
operation level
Brewer Inversion
Brewer Not Counting
Brewer Not Initialized
Brewer Over Current
Standby
Brewer Safety Fault
Brewer Timeout
Brewer Unexpected Item
Received
Coffee Dispensers current is close to
critical level
Coffee Dispensers current is close to
minimum operation level
78
Code
Condition
Blower & Fan current is above the
recommended safety level. Fan may
B1
be drawing too much power.
Blower & Fan current is below the
B1
minimum operating level. Fan may
not be drawing enough power.
Brewer current has exceeded the
M9
maximum operating level.
Brewer current is below the
M9
minimum operating level.
Brewer is going in the wrong
direction.
or
M9
Wiper is going in the wrong
direction (detected by the activation
of the wrong switch).
The brewer quadrature encoder is
M9
not returning any count.
A brewer sequence was started
M9
while the brewer was not initialized.
The brewer current was over the
M9
configured stand by operation level.
The IC of the brewer driver is in
M9
fault.
Brewer motion is timed out: brewer
is moving too slow, and unable to
M9
reach required position in the
allotted period of time.
A brewer sequence step was
M9
received while a wiper sequence
was already in progress.
M6,
Coffee Dispenser current is close to
M7
maximum operating level.
M6,
Coffee Dispenser current is close to
M7
minimum operating level.
Action(s) Required
1 - Check the wiring and connections
for the powder system blower.
2 - Clean any accumulation from the
blower.
3 - If message persists, replace the
powder system blower.
1 - Check wiring and connections for
the powder system blower.
2 - If message persists, replace the
powder system blower.
1 - The brewer may be seized or
jammed.
2 - The brewer motor may need to
be replaced.
1 - Check the wiring and connections
to the brewer motor.
2 - The brewer motor may need to
be replaced.
1 - Check the wiring and connections
to the brewer motor.
2 - Check the wiring and connections
to the wiper motor switches.
3 - One, or both, of the wiper motor
switches needs to be replaced.
1 - Clear the message.
2 - Reboot the machine.
3 - If message persists, replace the
brewer motor.
1 - Reboot the machine to initialize
the brewer.
1 - Clear the message.
2 - Reboot the machine.
1 - Clear the message.
2 - Reboot the machine.
3 - If message persists, replace the
brewer motor.
1 - Check the wiring and connections
to the brewer motor.
2 - The brewer motor may need to
be replaced.
1 - Clear the message.
2 - Reboot the machine.
3 - If message persists, replace the
brewer motor.
1 - The coffee dispenser may be
jammed.
2 - The coffee dispenser motor may
be seized.
3 - If message persists, replace the
coffee dispenser motor.
1 - Check the wiring and connections
to the coffee dispenser motor.
2 - The coffee dispenser may not be
engaged with the dispenser motor.
3 - The coffee dispenser motor
coupling may need to be replaced.
4 - If message persists, replace the
coffee dispenser motor.
VKI Publication #100308-003
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