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Quest Juice Training Manual
PROBLEM
No water and no con-
centrate, refrigeration
is working
No concentrate dis-
pensed, water only
Warm Drink
Water continuously
drips from nozzle
when in OFF mode
Concentrate warm,
water cold
Publication Number: TP00968
PROBABLE CAUSE
• Freeze-up of water coil in ice
bath
•
• Black service switch located on
the rear of the cabinet door in OFF
position
• White door switch open
• 6.25 amp fuse inside front elec-
trical box blown
• No output from Transformer
• Defective voltage regulator
board (VRB) located inside front
electrical box
• Defective dispense push button
or portion control board
• Concentrate container not fully
engaged into receptacle on pump
platform
• Dispense/Flush lever in FLUSH
position
•
Concentrate too cold, not properly
thawed
•
Defective pump motor
•
Ambient air around dispenser is
too warm
•
Excessive demand on dispenser
•
Dirty condenser coil
•
Inoperative condenser fan
•
Defective Ice Bank Control
•
Loss of refrigerant charge due to
leak in system
•
Main water solenoid at base of
unit or water solenoid on pump
platform not shutting off tightly
•
Cabinet fan inoperable
•
Agitator motor/pump inoperable
or restricted
•
Loss of refrigerant charge due to
leak in system
- 36 -
REMEDY
• Unplug dispenser and allow 2-4
hours to thaw. Check operation of
agitator motor and ice bank control.
• Refrigeration system may be low
on charge resulting in a deformed ice
bank and freeze-up of the water coil
in the ice bath.
• Turn on switch
• Door switch must be closed in
order to dispense. Check switch
operation and replace if necessary.
• Replace with 6.25, 250VAC slow
blow fuse and test
• Confirm transformer output by of
26VAC +/- 2. Replace transformer if
necessary.
• Measure across the VDC output of
the board. There should be 28VDC
present when the dispense button is
pressed. Replaced VRB if necessary.
• Test and replace if necessary
• Refer to Concentrate Loading sec-
tion of this manual
• Move lever to DISPENSE position
•
Concentrate should be 35-40°F
(1.7-4.5°C) prior to loading
•
Replace pump motor
•
Relocate dispenser
•
Add water pre-cooler or second dis-
penser
•
Clean condenser coil
•
Replace condenser fan motor
•
Test and replace if necessary
•
Repair leak and recharge system
•
Clean solenoid(s), replace parts as
necessary (refer to the Planned
Maintenance Section)
•
Check/replace fan
•
Check/replace agitator motor
•
Repair leak and recharge system
© 2004, IMI Cornelius Inc.
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