Troubleshooting Guide (cont.)

Problem

 

Possible Cause

 

Remedy

Circuit breaker continuously

Insufficient current due to use of

Plug unit directly into outlet. Do not use

trips

 

extension cord

 

extension cord.

 

Insufficient current due to

Designate single line for unit. Do not

 

 

overloaded line

 

use multi outlet box.

 

 

 

 

 

Basket Out light flashing

Water fill valve on too long

Clean or replace water fill valve.

(Display board displays “ER1”)

Water supply turned off

Turn water supply on.

 

 

 

 

 

Basket Out light flashing

Problem with Thermistor

Replace if defective.

(Display board displays “ER2”)

 

 

 

 

 

 

 

 

 

Basket Out light flashing

Heater Relay failed

Replace defective component

(Display board displays “ER3”)

Contactor Failed

 

 

 

Heater Failed open

 

 

 

Hi Temp failed

 

 

 

Control Board output failed

 

 

 

 

 

 

 

Water not hot enough

Thermistor not set high enough

Adjust potentiometer

 

 

 

 

 

Water boiling (or steaming)

Thermistor set too high

Adjust potentiometer.

 

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

Water time adjustment

Readjust.

in decanter

 

 

 

 

 

 

 

 

 

Spray head dripping

Lime build up in dump valve

Delime unit.

 

 

 

 

 

Hot water spigot dripping

Faulty seal

Replace seal.

 

 

 

 

 

Hot water spigot not dispens-

Drain tube limed-up

Delime tank and drain tube.

ing

Defective valve seat

Replace seat.

 

 

 

 

 

Warmer Failure

Loss of power

Check power source.

 

Defective warmer switch or

Perform continuity test. Replace defec-

 

 

warmer heater

 

tive component.

 

 

 

 

 

Auger motor, water solenoid,

Bus fuse on controller board is

Replace 5 Amp bus fuse.

shutter not working

 

blown

 

 

 

 

 

 

 

Basket Out or Brew Cycle

Polarity reversed

Connect black wire to + terminal of

indicators will not light up

LED burned out

 

LED.

 

 

 

Replace LED.

 

 

 

 

 

If you still need help, call our Technical Service Department at 800-695-4500 (USA & Canada only) or 502-425-4776, Monday through Friday, 8:00 AM - 8:00 PM Eastern Standard Time or an authorized service center in your area. Please have the model and serial number ready so that accurate information can be given.

Prior authorization must be obtained from Grindmaster Corporation’s Technical Services Department for all warranty claims.

Page 16

Grind’n Brew® Coffee Systems

Page 16
Image 16
Grindmaster 11 instruction manual Circuit breaker continuously

11 specifications

Grindmaster 11 is a revolutionary coffee grinder designed for coffee enthusiasts and professionals alike. This state-of-the-art grinder is known for its precision, consistency, and durability, making it a preferred choice for baristas and coffee lovers. With its sleek design and advanced technology, the Grindmaster 11 stands out in the competitive market of coffee equipment.

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