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

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