Troubleshooting Guide
The following procedures must be performed by a qualified service technician.
CAUTION: Unplug power cord from outlet before cleaning or servicing the unit.
Problem |
| Possible Cause |
| Remedy |
Weak coffee | • | Not enough coffee used | • | Set to portion more coffee. |
| • | Grind is too coarse | • | Readjust grind to a finer grind. |
| • | Water not hot enough | • | Check spray temp, should be |
| • | Too much water used (half brews) |
| greater than 185°F. |
| • | Adjust brew time at the controller. | ||
| • | Coffee bed has dry areas | • | Spray deflector broken or missing. |
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| Replace. |
Strong coffee | • | Too much coffee used | • | Readjust coffee portion. |
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Bitter coffee | • | Grind is too fine | • | Coarsen grind setting. |
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Grounds in coffee | • | Paper filter collapsed during | • | Use proper filter. |
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| brewing |
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Brew basket overflowed | • | Too much coffee | • | Use no more than 3 1/2 oz. of coffee. |
| • | Coffee ground too finely | • | Coarsen grind. |
| • | Double batching | • | You must dump old coffee and use |
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| fresh new filter for each brew. |
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Unpleasant taste | • | Water tank or brew basket needs | • | Clean, sanitize |
|
| cleaning | • | Refer to Regular Maintenance |
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| section. |
Brewer will not brew | • | Basket has not been changed | • | Remove basket, replace filter, |
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| reinstall. |
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Grinder will not start when start | • | Main power switch turned off | • | Turn main power switch, on located |
button is pushed |
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| on back of unit (left side from front) on. |
| • | No power to outlet | • | Check outlet with lamp or radio to |
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| verify outlet has power. |
| • | Basket out | • | Ensure basket is in position. |
| • | Circuit breaker has tripped | • | Reset circuit breaker (located on |
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| back of unit) by pushing the reset |
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| button in until you hear a click. |
| • | Basket has not been changed | • | Remove basket, replace filter, |
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| reinstall. |
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Grinder runs or hums but no | • | Shear disc is broken | • | Replace shear disc. See Shear |
coffee is dispensed |
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| Disc Replacement section. |
| • | Obstruction in opening of auger | • | Remove hopper and clear |
|
| assembly (on dual bean units) |
| obstruction. |
| • | Obstruction in opening to grinding | • | Remove hopper and clean |
|
| chamber |
| obstruction. |
| • | Slide valve is bending | • | Check for free operation of slide valve. |
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| Adjust solenoid mount or slide valve |
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| mount as required. Make sure white |
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| slide valve gasket is not touching |
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| moving parts. |
| • | Blown fuse on controller board | • | Check for blown fuse and replace |
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| (Dual bean only) |
| with 5 Amp fuse. |
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Quantity of coffee dispensed | • | Defective timer in controller | • | Check the length of time grinder |
each throw is not the same |
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| runs with watch. |
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| • | Remove upper assembly and clean |
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| obstruction. |
| • | Slide valve is binding | • | Check for free operation of slide |
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| valve. Adjust solenoid mount or |
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| slide valve mount as required. |
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| Make sure white slide valve gasket |
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| is not touching moving parts. |
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Grind’n Brew® Coffee Systems | Page 15 |
