Troubleshooting Guide - Bunn LCA-1 Installation & Operating Manual

CALIBRATING THE DISPENSER (Cont.)
LED DISPLAY CALIBRATION MODE
6 - - -
Reset Factory Defaults
MENU (-) (+)
_ 2 0 0
Pump "OFF" Delay
MENU (-) (+)
- XX.X
Software Version
MENU (-) (+)
DESCRIPTION
Resets all set up values to the Factory
Default setting.
Reset by holding the Decrease (-)
switches for 10 sec.
Currently have to hold (+) & (-)
Delays the Pump turn off after a
dispense.
Default = 200
Range = 1 - 999 mSec.
Displays current Software Version # -
Exits To Home View After 3 Seconds.
18 44806.1 081211
DIR Num: 44806.0001

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 ERROR
E _ 0 1 Pump Error
MENU (-) (+)
E _ 0 2
Heating Time Too Long
MENU (-) (+)
E _ 0 3
Fill Time Too Long
MENU (-) (+)
E _ 0 4
Tank Temp Sensor Error
MENU (-) (+)
Dispense Time Too Long
E _ 0 5
MENU (-) (+)
Water Temp Too Hot
E _ 0 8
MENU (-) (+)
08, October 2014
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.
Check: 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.
The water temperature in the tank
exceeded 205°F (96°C).
Check: Tank heater harness for shorts,
heater relay locked ON, heater element
shorted to ground.
19 44806.1 030612
RELEASED FOR PRODUCTION