Troubleshooting Guide
The following procedures must be performed by a qualified service technician.
PROBLEM | POSSIBLE CAUSE | SOLUTION |
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Grinder will not start when | • Bag not under spout. | • Place bag underneath spout. |
START button is pushed. | • Plug not in outlet properly. | • Install plug in outlet. |
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| • No power to outlet. | • Check outlet with lamp or radio to |
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| verify outlet has power. |
| • Circuit breaker has tripped | • Reset circuit breaker by pushing in |
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| reset button until you hear a click. |
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Grinder runs or hums but no | • Shear disc is broken. | • Replace shear disc. See Shear |
coffee is dispensed. |
| Disc Replacement section or |
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| instructions on back of grinder. |
| • Obstruction in opening to | • Unplug Unit. Empty beans out of |
| grinding chamber. | hopper and clear obstruction. See |
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| Shear Disc Replacement section |
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| for disassembly and assembly |
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| instructions. |
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Excessive amount of chaff | • Defective chaff mixer spring. | • If bent, broken, or missing, replace |
flying about. |
| spring. |
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| • If stuck open with coffee, clean out |
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| coffee to free spring. |
| • Outlet not properly grounded. | • Check power cord end and outlet |
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| for proper ground. |
| • Static electricity. | • Tighten all nuts, bolts and screws |
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| and verify wall outlet is grounded. |
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Circuit breaker continuously | • Insufficient current due to use | • Plug unit directly into outlet. Do not |
trips. | of extension cord. | use extension cord. |
| • Insufficient current due to | • Designate single line for grinder. |
| overloaded line. | Do not use |
| • Grind setting needs adjustment. | • Adjust grind to coarser setting. |
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| See Grind Adjustment section. |
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If you still need help, call our Service Department, at (800)
Prior authorization must be obtained from Grindmaster Corporation’s Technical Services Department for all warranty claims.
Page 6 | 800 Series Coffee Grinders |
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