Troubleshooting (cont.)
Brewing Problems
Problem |
| Possible Causes | Service Check | Remedy | |
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Brew volume too | • Sprayhead clogged. | • Visually check for | • Clean all holes. | ||
large or too small |
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| clogging of holes |
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| in brewhead. |
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| • Brew valves clogged | • Visually inspect | • Clean lime from valve. Seat, | ||
| with lime deposits. | brew valve at | cup or entire valve may need | ||
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| hose connections. | replacement. | |
| • Water supply pressure | • Check to see that fill | • Supply water at adequate | ||
| or flow rate not | valve cycles on and | pressure and flow rate. | ||
| adequate. | off frequently during |
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| brew cycle when all |
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| brew heads are used |
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| simultaneously. Check |
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| to ensure that water |
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| supply line is 3/8” and |
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| pressure is between |
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| 30 and 80 psi (207 and |
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| 552 KPA). |
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Brew volume | • Water supply pressure | • Check water pressure | • Plumb water supply so that | ||
erratic | fluctuates. | with and without other | water pressure is not | ||
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| appliances operating. | significantly affected by | |
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| other appliances. | |
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| Note: Small variations from batch to batch are normal. |
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Brew cycle will | • Optional momentary | • Check to see that | • If fully engaged switch does | ||
not start | switch to indicate | container fully engages | not complete circuit across | ||
| container in place not | switch. Check for | terminals of switch, replace | ||
| engaged or faulty. | continuity across switch | switch. | ||
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| when switch is engaged. |
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| • Brew circuit connections | • Check to see that | • Secure connections. | ||
| not secure. | connector |
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| is securely connected to |
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| control board. Check to |
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| see that all connections |
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| from controller through |
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| brew valve are secure. |
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| • Brew valve faulty. | • Check to see if there is | • If there is 24 Vac across | ||
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| 24 Vac across brew valve | terminals and brew valve is | |
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| terminals. | not open, replace valve. | |
| • Touchpad faulty. | • Check to see that | • If connections are secure, | ||
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| touchpad connections | other functions appear normal | |
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| to control board are | and touchpad will not initiate a | |
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| secure. | brew cycle, replace touchpad. | |
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Shuttle Brewers & Airpot/Shuttle Brewers | Page 25 |
