Bunn CDBC-APS DV User Manual
Page 17
Page 17
TROUBLESHOOTING (cont.)
PROBLEM
PROBABLE CAUSE
REMEDY
BREWING CIRCUIT
Brew cycle will not start
1. Display flashing
2. No water
3. No power or incorrect voltage to
the brewer
4. ON/OFF switch not in the "ON"
position
5. Low water temperature (Brew
lockout is enabled)
6. Water not touching refill probe
inside tank
7. Switch panel
Brewer has shut down due to mal-
function (See Diagnostic Chart in
manual, Page 20, or under top lid of
brewer).
Water lines and valves to the brewer
must be open.
Check for voltage across the termi-
nals at the terminal block.
The indicator lamp must be lit
Allow brewer to heat until ready
lamp is lit, or disable the brew lock-
out feature. (See page 8)
Press ON/OFF switch (indicator
must be lit). Brewer will refill until
water touches probe inside tank.
Water must be in contact with refill
probe before brew cycle will start.
Disconnect the brewer from the
power source. Disconnect the rib-
bon connector from the control
board. Check for continuity between
pins 1 & 2 (An arrow on the connec-
tor indicates pin 1). No continuity
should be present. Press the BREW
switch. Continuity should be present
for as long as the switch is held
down. If no continuity is present,
replace the switch membrane de-
cal. (See page 23)
29707 112801