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
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
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
Calibrate to be 34oF -40 oF (1.1 oC
Replace thermostat and calibrate to 34oF -40 oF (1.1 oC –4.5 oC)
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.
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