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Page 20 Crathco® Powdered Beverage Dispensers
Troubleshooting Guide
Only a qualified service technician should perform Electrical and mechanical adjustments or repairs.
Always disconnect power before attempting any maintenance procedures.
PROBLEM PROBABLE CAUSE CORRECTIVE ACTION
No powder dispensed
into mixing funnel
• Rinse switch turned to “RINSE ON” position
• Powder hopper dispense outlet clogged
• No or low powder level in hopper
• Hopper drivelink not engaged with motor
• Hopper elbow is not directed into the mixing
funnel
• Flip rinse switch to “RINSE OFF” position
• Refer to Cleaning of Hoppers section
• Refill hopper
• Remove and reinstall hopper and ensure
engagement with motor
• Turn down dispense elbow; line it up with mixing
funnel
Machine will not
dispense any product
(water or powder)
• Power turned “OFF” to machine
• Dispense cycle watchdog timer has tripped
• Faulty transformer
• Faulty control board
• Ensure power switch is in “ON” position, machine is
plugged in and water is turned on
• Reset machine by flipping power switch “OFF” then
“ON” once (the maximum run time per head is
limited to 40 seconds before watchdog timer
disables the dispense heads)
• Contact factory for assistance
• Contact factory for assistance
Product not whipping • Whipper blade broken or missing • Verify blade is in place. Replace if broken or missing
Water overflows mixing
funnel
• Water flow too fast
• Whipper chamber outlet restricted
• Whipper blade broken or missing
• Contact factory for assistance
Dump valves to be adjusted
• Remove obstruction
• Verify blade is in place. Replace if broken or missing
Drink is too weak or
strong
Refer to Drink Strength Adjustment section (page 6)
Drink is too hot or cold Refer to Thermostat Adjustment section (page 6)
No hot water from
dispense head
• Check for flashing lights on controller
• Water level in tank is below water probe
• Thermostat not adjusted
• Faulty heater relay
• Dump tube from water tank is kinked
• Water shorting out probe connections
• Refer to Controller Diagnostics section (page 20)
• Ensure that water supply to machine is “ON” and
reset power to machine
• See Thermostat Adjustment section (page 6)
• Replace heater relay (page 18)
• Check tubing for obstructions
• Dry connections on tank
Water tank boils water • Check for flashing lights on controller
• Thermostat adjustment set too high
• Faulty heater relay
• Refer to Controller Diagnostics section (page 20)
• Refer to Thermostat Adjustment section (page 6)
• Replace heater relay (page 18)
No water dispensed
from dispense nozzle
• Water supply to machine turned “OFF”
• Check for flashing lights on controller
• Faulty dump valve
• Turn “ON” water supply to machine
• Refer to Controller Diagnostics section (page 20)
• Replace dump valve (page 14)
Water overflows from
water tank
• Leaky inlet water valve
• Faulty level probe connection
• Faulty level probe due to mineral build-up
• Inlet water pressure too high
(greater than 120 psi)
• Replace inlet water valve
• Check level probe connections
• Replace probe
• Install pressure regulator to water inlet
Machine inadvertently
dispenses from
dispense heads
• Wet wiring connections on harness or
controller
• Allow connections to dry
Drink is cold and ready
light is on
• Check for flashing lights on controller • Refer to Controller Diagnostics section (page 20)