![Brewing Problems](/images/new-backgrounds/64776/6477641x1.webp)
Troubleshooting (cont.)
Heating Problems
Problem | Possible Causes | Service Check | Remedy |
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Tank does not heat | • Contactor faulty. | • Ensure that coil on | • If the contactor coil is |
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| contactor is energized | energized and there is an |
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| by ensuring that there | open circuit across any of |
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| is proper voltage | the contactor poles, replace |
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| between the brown and | contactor. |
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| white wires attached to |
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| the relay. Check each |
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| side of the contactor |
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| (Line and Load) at each |
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| pole for continuity. |
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| • Heater faulty. | • Check resistance | • If resistance is much less than |
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| across element(s) | 8 Ohms or much more than |
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| with power conductors | 15 Ohms, replace heater(s). |
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| disconnected. |
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| • Control board is faulty. | • Check to ensure proper | • If |
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| connection between | attached to control board |
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| connector | and all connections are |
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| control board. Check | secure and functioning |
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| for proper connections | except there is not 120 Vac |
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| in all heater control | across contactor coil terminals, |
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| circuitry. Check for | replace control board. |
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| proper connections |
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| between N terminal of |
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| contactor coil and |
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| terminal block. |
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Brewing Problems
Problem | Possible Causes | Service Check | Remedy |
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Brew volume too | • Portion selected on | • Review timer settings | • Adjust timer to desired value or |
large or too small | touchpad not correct. | versus portion size. | select different portion size. |
| • Timer not set properly. | • Compare timer setting | • Adjust timer to desired value. |
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| to either factory setting |
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| or initial user setting to |
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| determine if it has |
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| been changed. |
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Shuttle Brewers & Airpot/Shuttle Brewers | Page 21 |