Grindmaster GnB 10H, Руководство оператора

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14 Grindmaster ® Grind’n Brew
WARNING:
To reduce the risk of electrical shock, unplug the dispenser power cord before repairing or
replacing any internal components of the unit. Before any attempt to replace a component, be sure to check all
electrical connections for proper contact. Only a qualified service technician should perform electrical and
mechanical adjustments or repairs.
Troubleshooting Guide (continued)
PROBLEM POSSIBLE CAUSE SOLUTION
Grinder chute clogs • Air shutter fan is not operational.
• Confirm that fan is operational by
observation after removal of the
right side panel access plate.
• Air shutter fan is installed • Ensure fan is installed with arrow
backwards; Air flow must be pointing toward the grind head to
directed out of the grinder chute to allow air to be directed into the
prevent moisture from entering brew funnel.
grinder chute.
Quantity of coffee
• Defective timer in controller.
• Check the length of time grinder
dispensed each throw runs with watch.
is not the same
• Obstruction.
• Remove upper assembly and clean
obstruction.
Circuit breaker continuously • Insufficient current due to use of • Plug unit directly into outlet. Do
trips extension cord. not use extension cord.
• Insufficient current due to • Designate single line for unit. Do
overloaded line. not use multi outlet box.
Basket Out light flashing • Water fill valve on too long. • Clean or replace water fill valve.
(Display board displays • Water supply turned off. • Turn water supply on.
“ER1”)
Basket Out light flashing
• Problem with Thermistor. • Replace if defective.
(Display board displays
“ER2 or ER 3”)
Basket Out light flashing
• Heater Relay failed. • Hi Temp failed.
(Display board displays • Contactor Failed. • Control Board output failed.
“ER4”)
• Heater Failed open. • Replace defective component.
Water not hot enough • Thermistor not set high enough.
• Reprogram thermistor / temp
settings.
• Defective thermistor. • Replace Thermistor.
Water boiling (or steaming) • Thermistor set too high.
• Reprogram thermistor / temp
settings.
• Defective thermistor. • Replace Thermistor.
Start switch not working
• Brew basket out of place. • Replace basket.
(Basket Out light
illuminated)
No lights are on
• No power to brewer. • Turn power on.
(Including Warmer light) • Power switch turned Off. • Turn switch on.
No touch pad lights
• Touch pad disconnected. • Reconnect touch pad.
(other lights o.k.)
Too much or not enough
• Water time adjustment. • Readjust.
water in decanter
Spray head dripping
• Lime build up in dump valve. • Delime unit.
Hot water spigot dripping • Faulty seal. • Replace seal.