Section 8
8-1
Models 345, 346, 349, 355 NPR
Troubleshooting Guide
8
Troubleshooting Guide
Table 8-1
Problem Probable Cause Remedy
Page
Ref.
1. Product is too stiff. a. Too much water to syrup ratio.
Improper brix adjustment.
a. Adjust the brix accordingly. 6-10
b. Consistency control needs
adjustment.
b. Contact a service technician. - - -
c. Torque coupling bound in warm
position.
c. Contact a service technician. - - -
2. Product is too soft. a. Freezer in a defrost cycle. a. Wait for defrost cycle to end. - - -
b. Consistency control needs
adjustment.
b. Contact a service technician. - - -
c. Torque coupling bound in cold
position.
c. Contact a service technician. - - -
d. Broken springs in torque coupling. d. Contact a service technician. - - -
3. No product is being
dispensed.
a. Product frozen up in freezing
cylinder.
a. See problem number one. - - -
4. Freezer will not operate
in the Beater or Auto
mode.
a. Machine is unplugged. a. Check the plug at wall receptacle. - - -
b. Blown fuse, or the circuit breaker is
off.
b. Replace the fuse or turn the breaker
on.
- - -
c. Beater motor is out on overload.
Check fault description screen.
c. Allow the motor to cool. Press the
AUTO key. Contact a service
technician if the beater motor goes
out on overload again.
5-3
5. No compressor
operation in the Auto
mode.
a. Beater motor is out on overload.
Check the fault description screen.
a. Allow the motor to cool. Press the
AUTO key. Contact a service
technician if the beater motor goes
out on overload again.
5-3
b. The torque coupling is bound in the
cold position.
b. Contact a service technician. - - -
c. Condenser dirty, A/C. c. Clean condenser monthly. 7-1
d. Water supply off, W/C. d. Turn the water on. - - -
6. Unable to remove the
driveshaft from the rear
shell bearing.
a. Rounded corners of hex end of
driveshaft, drive coupling, or both.
a. Replace the driveshaft, or contact a
service technician to replace the
direct drive unit.
- - -
b. Lubrication of hex end of
driveshaft.
b. Do not lubricate the hex end. If
necessary, contact a service
technician for removal.
6-1
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