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BUNN Espress
®
ES•2C
™
11
ALARMS
ONE BREW INDICATOR FLASHING (EITHER SIDE)
This alarm flashes when either flow meter has not sent impulses to the electronic control unit for more than
five seconds. All functions will stop and the lamp will begin to flash if brewing a programmed amount. Check
the following:
A. Coffee ground too fine.
B. Obstruction in the group head (dirty screen, blocked orifices, etc.)
C. Flow meter and electrical connections.
D. Solenoid valve and electrical connections.
E. Pump not operating properly.
Turn the alarm off by attempting another programmed brew or by placing the program switch in the
“Program” (right) position and simultaneously pressing the ‘two half-cup’ and ‘two full-cup’ selector buttons
on the appropriate control panel. Place the program switch in the “Run” (left) position.
If the problem persists, the alarm will flash every time a programmed button is pressed.
BOTH BREW INDICATORS FLASHING
This alarm flashes when the boiler does not refill to the required level within 60 seconds. All functions
except continuous brew will stop and the lamps will begin to flash if brewing a programmed amount. Check
the following:
A. Level probe and electrical connections
B. Water connections and pressure loss
C. Solenoid valve and electrical connections.
Turn the alarm off by placing the program switch in the “Program” (right) position and simultaneously
pressing the ‘one half-cup’ and ‘two half-cup’ selector buttons on the left control panel. Place the program
switch in the “Run” (left) position, the boiler will resume refilling.
This alarm does not affect operations when using the continuous flow button.
NOTE - This alarm will flash when attempting to entirely fill the tank/boiler without using manual fill.