Troubleshooting Guide - Bunn LCA-1 Installation & Operating Manual

TROUBLESHOOTING GUIDE

Error Codes
When an error has occurred, the Warning LED will be flashing. Open the door to view the LED Display and
record the Error # shown on the display. Refer to the list of Error Codes below to identify the problem. The
troubleshooting guide is provided to suggest probable causes and remedies for most problems. If the problem
remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic Technical Service Department.
LED DISPLAY
E _ 0
MENU (-)
E _ 0
MENU (-)
E _ 0
MENU (-)
E _ 0
MENU (-)
E _ 0
MENU (-)
ERROR
1
Pump Error
(+)
2
Heating Time Too Long
(+)
3
Fill Time Too Long
(+)
4
Tank Temp Sensor Error
(+)
Dispense Time Too Long
5
(+)
DESCRIPTION/TROUBLESHOOTING
Motor or RPM Sensor failure. Check
motor and RPM
Sensor wires for shorts, loose or open
connections.
Tank Heater ON continuous for more
than 1 hour.
Check heater wires for loose or open
connections.
Fill Valve ON continuous for more than
15 minutes.
Water turned OFF. Refill Valve
disconnected or faulty.
Sensor reading Out Of Range (High
or Low).
Check Sensor wires for shorts, loose
or open connections.
Dispense or Hot Water switch has been
ON for more than 2 Min.
Check: Dispense switches for proper
operation or damage. Door harness
for shorts.
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