Bunn ICB Guía Del Usuario
Page 56
PROBABLE CAUSE
REMEDY
PROBLEM
TROUBLESHOOTING (cont.)
Temperature Too Low
Heating Time Too Long
Fill Time Too Long
Temp Sensor Out Of Range, Check
For Bad Connections
For Bad Connections
Temp Sensor Out Of Range, Check
Wire For Shorts
Wire For Shorts
Equipment will not operate
1. Water temperature in the tank
does not meet the ready tempera-
ture.
does not meet the ready tempera-
ture.
1. Tank Heater failure.
2. Control Board/Thermistor fail-
ure
ure
1. Water shut off to brewer
2. Tank Drain clamp is shut
3. Inlet Solenoid failure
4. Control Board Failure
5. ON/OFF switch is OFF
1. Temperature Sensor Probe
wire(s) broken or not making con-
nection
wire(s) broken or not making con-
nection
1. Temperature Sensor Probe
wire(s) shorted to housing or to
each other.
wire(s) shorted to housing or to
each other.
1. No power or incorrect voltage
A) Wait for the brewer to heat to
the proper temperature.
the proper temperature.
B) Disable the BREW LOCKOUT
function. See page 17 for proce-
dure.
function. See page 17 for proce-
dure.
Service required
Service required
Check water supply shut-off
Check tank drain clamp
Service Required
Service Required
Turn switch ON
Check wire and connection of both
black and white wires of temperature
probe.
black and white wires of temperature
probe.
Check to confi rm that wire(s) are
not pinched between two surfaces
or connected to each other.
not pinched between two surfaces
or connected to each other.
Measure the voltage at the terminal
block and confi rm that it matches
the voltage specifi ed on the brewer
data plate withing +/- 10%.
block and confi rm that it matches
the voltage specifi ed on the brewer
data plate withing +/- 10%.
37077 091704