Section 8
8-1
Model 336, 338, 339
Troubleshooting Guide
8
Troubleshooting Guide
Table 8-1
Problem Probable Cause Remedy
Page
Ref.
1. No product is being
dispensed with draw
valve open and the
machine in the Auto
mode.
a. Freeze-up in mix inlet hole. a. Call a service technician to adjust the
mix hopper temperature.
---
b. Beater motor out on reset. b. Reset the freezer. 5-2
c. The beater is rotating counterclockwise
from the operator end.
c. Contact a service technician to
correct rotation to clockwise from
operator end.
---
d. The circuit breaker is off, or the fuse is
blown.
d. Turn the breaker on, or replace the
fuse.
---
e. There is inadequate mix in the mix
hopper.
e. Fill the mix hopper with mix. 6-8
f. The air orifice is not installed. f. Install air orifice in air tube. 6-5
g. Air tube is installed in the STANDBY
position.
g. Install the air tube in the AUTO
position.
6-8
2. The product is too stiff. a. The viscosity needs adjustment. a. Contact a service technician. ---
b. The air orifice is not installed. b. Install air orifice in air tube. 6-5
3. The product is too soft. a. Viscosity needs adjustment. a. Contact service technician. ---
b. Not enough air space around unit (air-
cooled units).
b. Allow for adequate air flow across the
condenser.
3-2
c. Worn scraper blades. c. Replace regularly. 9-1
d. Dirty condenser (A/C). d. Clean monthly. 7-1
e. Mix is out of date. e. Use only fresh mix. ---
f. Loss of water (W/C). f. Locate cause of water loss and
correct.
7-3
g. Loss of refrigerant. g. Call a service technician. ---
4. The mix in the mix
hopper is too cold.
a. The temperature is out of adjustment. a. Call a service technician to adjust the
mix hopper temperature.
---
5. The mix in the mix
hopper is too warm.
a. The temperature is out of adjustment. a. Call a service technician to adjust the
mix hopper temperature.
---
b. Missing or damaged mix hopper gasket. b. Replace/install the gasket around the
mix hopper.
6-7
c. The mix hopper cover is not in position. c. Place the cover in position. 6-8
d. The MIX light is not lit. d. Press the MIX button. 6-9
e. The condenser is dirty. e. Clean the condenser. 7-1