13-May-13 Phone: 1.800.325.7867 Fax: 1.636.925.0029 www.newcocoffee.com
20
Error Messages Cont’d:
Er8 Bad (Open) Motor Driver - The
motor errors (Er7 and Er8) do
not cause a system error and
will not shut down the machine.
Immediately upon detection the
machine will beep twice and
show the error message. Every
time the key is pressed to
activate a dispense motor it
clears the error and allow
another attempt to be made. If
this error occurs the dump
valve still will release water.
Bad/open motor driver. Pump 0 or
pump 1.
Retry pump if the error still
occurs then replace main
board.
Erb Dry Firing Tank – the tank is
empty but the heater is on.
The control board has either seen
a rise in temperature of 1 degree
a second, for 5 seconds or has
seen the temperature rise to
215°F or above
The unit has been in the
intent to brew timeout for an
extended period of time,
allowing the tank to evaporate
to the point where there is
little water in the tank
ErC Thermistor Error Resistance extremely high from
upper or lower thermistor will
cause or the resistance extremely
low from upper or lower
thermistor will cause a tHU or tHL
warning for the thermistor that
sees the condition and causes
the control board to switch from
watching the lower to the upper
thermistor. If both the upper and
lower resisters fail then we flag a
thermistor error
Check/replace thermistor.
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