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Symptom
A. Black service switch located on the rear of
B. White door switch open
C. 6.25 amp fuse inside front electrical box blown.
No water & no concen-
D. No output from transformer.
trate, refrigeration is
working.
E. Defective voltage regulator board (VRB)
F. Defective dispense push button or portion con-
A. Concentrate container not fully engaged
B. Dispense/Flush lever in FLUSH position
No concentrate dis-
pensed, water only.
C. Concentrate too cold, not properly thawed.
D. Defective pump motor.
A. Ambient air around dispenser is too warm.
B. Excessive demand on dispenser.
C. Dirty condenser coil.
Warm drinks
D. Inoperative condenser fan.
E. Defective Ice Bank Control.
F. Loss of refrigerant charge due to leak in sys-
A. Main water solenoid at base of unit or
Water continuously drips
from nozzle in OFF
mode.
A. Cabinet fan inoperable.
Concentrate warm,
B. Agitator motor/pump inoperable or restricted.
water cold.
C. Loss of refrigerant charge due to leak in sys-
A. Water supply pressure too low, less than
B. Water flow control binding or spring is defec-
BRIX problem
C. Improperly thawed concentrate. BRIX changes
© 2011-2013, IMI Cornelius Inc.
Probable Cause
the cabinet door in OFF position.
located inside front electrical box.
trol board.
into receptacle on pump platform.
tem.
water solenoid on pump platform not shut-
ting off completely.
tem.
20 psi (1.4 bar) flowing water pressure.
tive.
as concentrate temperature changes (concen-
trate becomes thinner as temperature rises)
Quest Elite QLT 2000 HC & Quest Elite QLT 2000
Table 1.
A. Turn on switch.
B. Door switch must be closed in order to dis-
pense. Check switch operation & replace if nec-
essary.
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 present when the dis-
pense button is pressed. Replace VRB if nec-
essary.
F. Test & replace if necessary.
A. Refer to Concentrate Loading section of
this manual.
B. Move lever to DISPENSE position
C. Concentrate should be 35 to 40
°
4.5
C) prior to loading.
D. Replace pump motor.
A. Relocate dispenser.
B. Add water pre-cooler or second dispenser
C. Clean condenser coil.
D. Replace condenser fan motor.
E. Test & replace if necessary.
F. Repair leak and recharge system.
A. Clean solenoid(s), replace parts as neces-
sary (refer to Planned Maintenance sec-
tion).
A. Check/replace fan.
B. Check/replace agitator motor.
C. Repair leak & recharge system.
A. Correct water supply problem to ensure a
constant 50 psi (3.5 bar) flowing to dis-
penser.
B. Clean and/or replace parts as necessary.
C. Concentrate should be 35 to 40
°
4.5
C) prior to loading.
- 21 -
Remedy
°
F (1.7 to
°
F (1.7 to
Publication Number: 620054882
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