Quest Elite 4000 Service Manual
© 2010-2014, Cornelius Inc.
- 21 -
Publication Number: 620048956SER
No water dispensed,
concentrate only
A. No water in dispenser.
B. Water supply line inside refrigerated
cabinet disconnected from pump plat-
form.
C. Water solenoid located on pump plat-
form clogged or defective.
D. Main water solenoid/strainer located at
the rear of dispenser is clogged, bind-
ing or defective.
E. Water supply pressure is greater than
80 psi (5.5 bar) forcing BRIX flow con-
trol closed.
F. Freeze-up of water coil in ice bath.
A. Restore water.
B. Reconnect
C. Disassemble & clean solenoid.
Replace if necessary.
D. Remove & clean strainer. Confirm
24VDC is present at solenoid during
dispense. Confirm solenoid coil is not
open. Disassemble & clean solenoid.
E. Add external regulator & lower pres-
sure to 50 psi (3.5 bar).
F. Unplug dispenser & allow 2-4 hrs. to
thaw. Check operation of agitator motor
& ice bank control.
Refrigeration system may be low on
charge resulting in a deformed ice
bank & freeze-up of water coil in ice
bath.
No water & no con-
centrate, refrigeration
is working.
A. Black service switch located on the
rear of the cabinet door in OFF posi-
tion.
B. White door switch open
C. 6.25 amp fuse inside front electrical
box blown.
D. No output from transformer.
E. Defective voltage regulator board
(VRB) located inside front electrical
box.
F. Defective dispense push button or por-
tion control board.
A. Turn on switch.
B. Door switch must be closed in order to
dispense. Check switch operation &
replace if necessary.
C. Replace with 6.25, 250VAC slow blow
fuse & test.
D. Confirm transformer output of 24VAC
+/-2. Replace transformer if necessary.
E. Measure across the VDC output of the
board. There should be 28VDC pres-
ent when the dispense button is
pressed. Replace VRB if necessary.
F. Test & replace if necessary.
No concentrate dis-
pensed, water only.
A. Concentrate container not fully
engaged into receptacle on pump
platform.
B. Dispense/Flush lever in FLUSH posi-
tion
C. Concentrate too cold, not properly
thawed.
D. Defective pump motor.
A. Refer to Concentrate Loading section
of this manual.
B. Move lever to DISPENSE position
C. Concentrate should be 35 to 40
°
F (1.7
to 4.5
°
C) prior to loading.
D. Replace pump motor.
Table 2
Symptom
Probable Cause
Remedy
