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Quantum Series Installation and Service Manual
Concentrate refill light
does not come on at
all (con't)
Warm Drink
Water continuously drips
from nozzle when in
OFF mode
No Flush Cycle
Concentrate warm,
water cold
Improperly loaded tube
Bad VRB board
Bad portion control
Incoming water supply too
warm
Ambient air too warm
Excessive demand on dis-
penser
Dirty condenser coil
Inoperative condenser fan
Defective water thermostat
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
Run/Flush switch on pump
platform in Run mode
Defective Run/Flush switch
on pump platform (con-
centrate continues to
dispense while in Flush
mode)
Concentrate thermostat is
turned off or not cali-
brated properly
Concentrate thermostat
defective (stuck open)
Defective start relay located
on upper rear shelf
inside dispenser
- 15 -
Refer to concentrate loading sec-
tion of this manual
Replace VRB board
Replace portion control
Optimum performance is achieved
when the dispenser utilizes
water from a pre-cooler
Relocate dispenser
Add water pre-cooler or second
dispenser
Clean condenser coil
Replace condenser fan motor
Replace thermostat
Repair leak and recharge system
Clean solenoid(s), replace parts as
necessary
Move switch to Flush position
Replace Run/Flush switch
o
Calibrate to be 34
F -40
o
–4.5
C)
Replace thermostat and calibrate
o
o
o
to 34
F -40
F (1.1
C –4.5
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.
o
o
F (1.1
C
o
C)
720901120
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