Bunn ICB/TWIN Coffeemaker User Manual


 
9
DIAGNOSTICS
PROBABLE CAUSE REMEDY
MESSAGE
Temperature Too Low
Heating Time Too Long
Fill Time Too Long
Temp Sensor Out Of Range, Check
For Bad Connections
Temp Sensor Out Of Range, Check
Wire For Shorts
1. Water temperature in the tank
does not meet the ready tempera-
ture.
1. Tank Heater failure.
2. Control Board/Thermistor fail-
ure
1. Water shut off to brewer
2. Supply line too small or ob-
structed
3. Inlet Solenoid failure
4. Control Board Failure
5. ON/OFF switch is OFF
1. Temperature Sensor Probe
open
1. Temperature Sensor Probe
wire(s) shorted
A) Wait for the brewer to heat to
the proper temperature.
B) Disable the BREW LOCKOUT
function. Refer to programming
section for procedure.
Replace or repair as needed
Replace or repair as needed
Check water supply shut-off
Replace or repair as needed
Replace or repair as needed
Replace or repair as needed
Turn switch ON
Replace or repair as needed
Replace or repair as needed
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