Bunn TITAN DUAL Service & Repair Manual page 5

TROUBLESHOOTING (cont.)
PROBLEM
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
Equipment will not operate
RELEASED FOR PRODUCTION
PROBABLE CAUSE
1. Water temperature in the tank
does not meet the ready tempera-
ture.
1. Tank Heater failure.
2. Control Board/Thermistor failure
1. Water shut off to brewer
2. Inlet Solenoid failure
3. Control Board failure
4. ON/OFF switch is OFF
1. Temperature Sensor Probe
wire(s) broken or not making con-
nection
1. Temperature Sensor Probe
wire(s) shorted to housing or to
each other.
1. No power or incorrect voltage
DIR Num: 41747.0000
Page 5
12, December 2018
REMEDY
A) Wait for the brewer to heat to the
proper temperature.
B) Disable the BREW LOCKOUT
function. Refer to Programming
Manual for procedure.
Service required
Service required
Check water supply shut-off
Service Required
Service Required
Turn switch ON
Check wire and connection of both
black and white wires of temperature
probe.
Check to confirm that wire(s) are
not pinched between two surfaces
or connected to each other.
Measure the voltage at the terminal
block and confirm that it matches
the voltage specified on the brewer
data plate withing +/- 10%.
41747 112608