Cornelius QUANTUM SERIES - Manual (Page 17)

Quantum Series Installation and Service Manual
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Concentrate refill light
does not come on at
all (con’t)
Improperly loaded tube Refer to concentrate loading sec-
tion of this manual
Bad VRB board Replace VRB board
Bad portion control Replace portion control
Warm Drink Incoming water supply too
warm
Optimum performance is achieved
when the dispenser utilizes
water from a pre-cooler
Ambient air too warm Relocate dispenser
Excessive demand on dis-
penser
Add water pre-cooler or second
dispenser
Dirty condenser coil Clean condenser coil
Inoperative condenser fan Replace condenser fan motor
Defective water thermostat Replace thermostat
Loss of refrigerant charge
due to leak in system
Repair leak and recharge system
Water continuously drips
from nozzle when in
OFF mode
Main water solenoid at base
of unit or water solenoid
on pump platform not
shutting off tightly
Clean solenoid(s), replace parts as
necessary
No Flush Cycle Run/Flush switch on pump
platform in Run mode
Move switch to Flush position
Defective Run/Flush switch
on pump platform (con-
centrate continues to
dispense while in Flush
mode)
Replace Run/Flush switch
Concentrate warm,
water cold
Concentrate thermostat is
turned off or not cali-
brated properly
Calibrate to be 34 o F -40 o F (1.1 o C
–4.5
o
C)
Concentrate thermostat
defective (stuck open) Replace thermostat and calibrate
to 34
o
F -40
o
F (1.1
o
C –4.5
o
C)
Defective start relay located
on upper rear shelf
inside dispenser
There should be line voltage on the
black wire of the relay when
there is line voltage present on
the orange OR yellow wire.
Replace relay if it fails this test.