DIAGNOSTICS

MESSAGE

PROBABLE CAUSE

 

REMEDY

Temperature Too Low

1.Water temperature in the tank does not meet the ready tempera- ture.

A)Wait for the brewer to heat to the proper temperature.

B)Disable the BREW LOCKOUT function. Refer to programming section for procedure.

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.

Tank Heater failure.

 

Replace or repair as needed

2.

Control Board/Thermistor fail-

Replace or repair as needed

ure

 

 

 

1.

Water shut off to brewer

 

Check water supply shut-off

2.

Supply line too small or ob-

Replace or repair as needed

structed

 

 

 

3.

Inlet Solenoid failure

 

Replace or repair as needed

4.

Control Board Failure

 

Replace or repair as needed

5.

ON/OFF switch is OFF

 

Turn switch ON

1.

Temperature

Sensor

Probe

Replace or repair as needed

open

 

 

 

1.

Temperature

Sensor

Probe

Replace or repair as needed

wire(s) shorted

 

 

 

9

42461 0911809

 

Page 9
Image 9
Bunn ITB/ITCB, ICB/TWIN manual Diagnostics, Message Probable Cause Remedy