Troubleshooting: Filling, Heating, and Brewing
Heating Problems
The heating system consists of the following components:
•Liquid Level Control, located behind the front enclosure panel.
•Liquid Level Probes, located on the tank top, secured by wing nut, under the top cover.
•Thermostat, located on the tank or on the front of top control panel under top cover.
•Heater Relay, located in top control section under top cover.
•Heating Elements, located on tank top under top cover.
Problem | Possible Cause | Service Check | Remedy | |
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Tank does not | Low electrode faulty | Jumper from XL ter- | Clean electrodes, check wiring. If | |
minal on level control | ||||
heat. | or covered w/lime. | no remedy, replace electrodes. | ||
to metal body allows | ||||
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| heating. |
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| Level control faulty. | Check for 120V be- | If 120V is not at HEAT, replace level | |
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| tween H and N ter- | control. | |
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| minals on level control. | ||
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| If OK, jumper between |
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| XL and metal body and |
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| check for 120V |
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| between HEAT and N |
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| terminals. |
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| Thermostat faulty or | Make sure thermostat | Recalibrate thermostat. If no reme- | |
| out of calibration. | is turned on. Jumper | dy or thermostat does not cycle, | |
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| across thermostat | replace thermostat. | |
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| allows heating. |
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| Heater relay coil | Check for 120V | If correct voltage, but contactor not | |
| across contactor coil. | |||
| faulty. (electric heat) | closing, replace contactor. | ||
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| Heater contactor | Check for heater vol- | If no continuity across contactor | |
| contacts faulty. | tage between each | when it is closed, replace contactor. | |
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| heater pole on contact- |
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| or, and different pole. |
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| Heater faulty. | Check resistance | If resistance is much different than | |
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| across elements with | 10 to 15 ohms, replace heater. | |
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| wires disconnected. |
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Recovery time is | Heater faulty. | See above. | See above. | |
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very long. |
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Low temp/no brew | Water is above 190 | Turn down brew thermostat, see | ||
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| thermostat set too | degrees F, but HOT | adjustments. | |
| high. | WATER light is off. |
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If you still need help, call our Technical Service Department at (502)
Shuttle Brewers & Airpot/Shuttle Brewers | Page 13 |
