Taylor C602, Service Manual

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64 Troubleshooting
Model C602
Peristaltic Syrup System Troubleshooting Guide
PROBLEM CAUSE REMEDY
1. No syrup dispensed. a. Air in the syrup line. a. Prime the syrup line.
b. The syrup dispensing rate is not
properly calibrated.
b. Calibrate the syrup.
c. The syrup pump motor is not
running.
c. Check for faulty connections or a
defective motor.
d. A peristaltic pump component is
defective.
d. Inspect/replace defective
peristaltic pump component.
e. Obstruction in the syrup line. e. Clean or replace the syrup line.
f. Obstruction in syrup nose fitting. f. Clear the obstruction.
g. A valve was left in the door during
the heat cycle.
g. Clean the syrup valve.
h. The pump motor is running in the
wrong direction.
h. Check/correct the pump motor
wiring.
i. Defective motor speed control. i. Replace the motor speed control.
j. Loose wire connection. j. Inspect/repair loose connection.
2. Syrup leaking at the valve. a. Air in the syrup line. a. Prime the syrup line.
b. The duckbill valve is defective. b. Replace the duckbill valve.
c. The pump motor reverse time is
set too low.
c. Adjust the pump motor reverse
time in the Syrup Motor Setup
menu.
d. The reverse relay does not reverse
the pump motor rotation when the
syrup flow is stopped.
d. Check the syrup reverse relay
voltage supply. (Relay is energized
to reverse the pump motor
rotation.)
3. Air is in the syrup line. a. The syrup line is improperly
primed.
a. Re-prime the syrup line.
b. The pump tube fitting o-rings are
defective or not lubricated.
b. Replace/lubricate pump tube
o-rings.
c. The pump motor reverse time is
set too long.
c. Adjust the pump motor reverse
time in the Syrup Motor Setup
menu.
d. Air leak on the intake side of the
syrup line/pick up tube.
d. Check the line for air leaks and
repair it.