Vollrath Stoelting Clear Bowl Series Frozen Beverage Dispensers rev.2 - Manual (Page 19)

Operators Manual #513852 13 CBD Model Machines
SECTION 4
TROUBLESHOOTING
4.1 ALARMS
If one of the Slush Density Indicator LEDs blinks, follow
the instructions below to troubleshoot the alarm.
NOTE
Turn the Main Power switch Off then On again after
resolving an alarm.
“1” SLUSH DENSITY INDICATOR LED AND SLUSH
MODE LED BLINKING
Check connections between the control board
and the motor. Replace as necessary.
“2” SLUSH DENSITY INDICATOR LED BLINKING
Check the thermostat probe for oxide buildup. If
there is oxide on the cable, clean the contacts.
If the problem persists, replace the thermostat
probe.
“3” SLUSH DENSITY INDICATOR LED BLINKING
This indicates the motor calibration. The calibration
is automatic and lasts about 2 minutes. Once
the calibration is completed normal operation
continues.
COLD DRINK MODE LED BLINKING
This indicates that the defrost mode is active.
Refer to Section 2.4 for details on the defrost
mode.
SLUSH MODE LED, COLD DRINK MODE LED AND
THE “1” SLUSH DENSITY INDICATOR
If the Slush Mode LED, Cold Drink Mode LED
and the “1” Slush Density Indicator blink at the
same time, the pressure switch needs to be reset.
Unplug the machine from the power source and
remove the drip tray. Press the pressure switch
button to reset it. If the problem persists, contact
a technician.
WARNING
High voltage will shock, burn or cause death. The
Main Power switch must be placed in the Off posi-
tion and the power must be disconnected prior to
disassembling for servicing. Do not operate ma-
chine with the panels removed.
Cold
Selection
Auger
Movement
Refrigeration
Indicator
Slush Density
Indicator
Slush Mode
LED
Cold Drink Mode
LED
Figure 4-1 Control Board