Troubleshooting: Filling, Heating, and Brewing
Filling Problems
The filling system consists of the following components: |
| |||
• | Liquid Level Control, located behind the brewer front panel. |
| ||
• | Liquid Level Probes, located on the tank top, secured by wing nut, under the top cover. | |||
• Fill Valve, located behind the front panel. |
| |||
|
|
|
|
|
Problem |
| Possible Cause | Service Check | Remedy |
|
|
|
| |
|
|
|
| |
Overfilling water | Fill valve not sealing | Water entering tank | Disassemble valve and clean out | |
tank even when | properly. | continuously, usually | dirt. Valve may need new plunger | |
power is off. |
|
| slowly. | if seal is worn. |
|
|
|
|
|
|
| Fill valve installed | Look for direction of | If arrow on valve is pointing toward |
|
| water inlet, remove valve and install | ||
|
| backwards. | arrow on valve body. | |
|
| correctly. | ||
|
|
|
| |
Overfilling water | High electrode | Jumper HI terminal on | Remove electrode assembly and | |
tank only when | coated with lime or | level control to metal | clean both probes. If this does not | |
power is on. |
| faulty. | enclosure stops fill. | work, replace assembly. |
|
| Missing or faulty con- | Jumper from C | Make secure connection of C to |
|
| nection of C terminal | terminal to metal body | |
|
| on level control to metal | stops fill. | metal body. |
|
|
| ||
|
|
|
|
|
|
| Fill valve connected | Check connections. | Connect black lead for valve to |
|
| to heat terminal on |
| FILL on level control. |
|
| level control. |
|
|
|
|
|
|
|
|
| Liquid level control is | Jumper from HI to C | Replace level control. |
|
| faulty. | or metal enclosure |
|
|
|
| does not stop fill. |
|
Tank does not |
| No power at | Nothing operates. | Check main switch or circuit |
refill. |
| equipment. |
| breaker, brewer's circuit breaker or |
|
|
|
| power switch if provided. |
|
|
|
|
|
|
| No water at | Cracked water inlet | Make sure all water supply line |
|
| equipment. | fitting. | valves are open. |
|
|
|
|
|
|
| Water strainer | Water pressure before | Remove and clean or replace |
|
| strainer but not after. | ||
|
| clogged. | strainer's mesh. | |
|
|
| ||
|
|
|
|
|
|
| No power to level | Check for 120V AC | If no voltage, check for loose or |
|
| across H and N ter- | broken wires. | |
|
| control. | ||
|
| minals on level control. |
| |
|
|
|
| |
|
|
|
|
|
|
| Level control faulty. | Disconnect probe wire | If no 120V at FILL terminal, |
|
|
| to HI terminal on level | |
|
|
| replace level control. | |
|
|
| control. Check for | |
|
|
|
| |
|
|
| 120V at FILL terminal. |
|
|
|
|
|
|
|
| Electrodes faulty. | Tank fills only when | Replace electrodes. If no remedy, |
|
|
| probe wire is discon- | |
|
|
| check for improper wiring or level | |
|
|
| nected from HI ter- | |
|
|
| probe tip touching metal. | |
|
|
| minal on level control. | |
|
|
|
| |
|
|
|
|
|
|
| Fill valve faulty. | 120V is across FILL | Disassemble valve and clean or |
|
|
| and N on level control, | |
|
|
| replace plunger if frozen. If plunger | |
|
|
| but no fill. | |
|
|
| is OK, coil may need replacement. | |
|
|
|
| |
|
|
|
|
|
Shuttle Brewers & Airpot/Shuttle Brewers | Page 11 |
