Section 5 Before Calling for Service
Part Number 020002777 10/11 5-3
Valves will not activate when Selection
Panel pressed. Problem occurs at two (2)
or three (3) consecutive Valves on one
(1) tower.
Transformer inoperative. Verify wire leads from Transformer have solid
connections. Switch low voltage lead from
Transformer supplying power to left and right
hand side of Tower. If Valves operate and the
other three do not, Transformer is defective.
Replace.
Dispensing tower’s “on” and “off” Toggle
defective.
If after switching Leads, the three valves still
do not operate, the “on” and “off” Toggle
Switch is defective.
Problem occurs at all valves on one (1)
dispensing tower.
No power to transformer or transformer
defective.
Verify power with a voltmeter at wall outlet.
Verify power across low voltage leads on
transformer. If 24 volts are present “on” and
“off” Toggle Switch is defective. Replace.
Problem occurs at only one (1)
dispensing valve.
Dispensing tower’s “on” and “off” is Switch
defective.
Verify Main Power Supply and power at
Transformer Leads replace “on” and “off”
Switch if operative.
Poor connection on valve Wire Harness. Trace wiring on defective valve and
reconnect any loose wires. Clean and
reconnect any corroded connections.
Portion Control Timer inoperative. Replace the problem valve Portion Control
Timer with a known Operative Timer. If valve
then operates, Portion Control Timer was
defective. Replace.
Selection Switch inoperative. Replace defective Portion Control Timer with
operative Timer. If Valves still will not activate,
Selection Panel is defective. Replace
Selection Switch.
Poor connection at Contact Clips on
Selection Panel (with Portion Control Timer).
Examine Contact Clips on Selection Panel
and insure proper contact between Portion
Control Timer and Contact Clips.
Valve will not shut “off”. Moisture on Portion Control Timer or Contact
Clips.
Remove top cover from Dispensing Tower.
Remove all moisture from Portion Control
Timer and Contacts.
Portion Control Timer Adjustment Screw
turned beyond control limit.
Turn Portion Control Adjustment Screws on
defective valve counterclockwise 10
complete turns. If valve shuts off when
selection is pressed, readjust for proper
portions.
Note: Several revolutions may be necessary
to bring control back into range.
Portion Control Timer defective. Verify above probables are not the problem.
Push “on/off” Switch for Dispensing Tower to
the “off” position. If valve ceases to dispense
when pushed to “on” position, Portion Control
Timer is defective. Replace.
Selection Panel defective. Push “on/off” Switch for dispensing tower to
the “off” position. If valve ceases and then
continues to dispense when switch is pushed
in “on” position, Selection Panel is defective.
Replace.
Problem Possible Cause To Correct
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