TROUBLESHOOTING
A | B | C | 7 | The self diagnostic test | 1. Cycle power to the water heater off for 10 seconds | |
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| gas valve driver circuit | 2. If the above step did not cleat the error, the | |
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A | B | C | 8 | The self diagnostic test has | 1. Cycle the external power off for 10 seconds and | |
detected a problem with | then back on. | |||||
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| the internal microcomputer. | 2. If the above step does not clear the error, the | |
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A | B | C | 9 | The self diagnostic test has | 1. Cycle the external power off for 10 seconds and | |
detected a problem with | then back on. | |||||
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| the internal circuit | 2. If the above step does not clear the error, the | |
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A | B | C | 10 | Flame signal sensed out of | 1. Replace the | |
proper sequence. |
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A | B | C | 11 | The high temperature ther- | 1. Replace the | |
mal cutoff is open |
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A | B | C | 12 | The diagnostic test has de- | 1. Make sure that there are no objects leaning against | |
tected one of the tempera- | the front of the control. | |||||
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| ture adjust buttons stuck | 2. Lightly press and release each of the buttons once. | |
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| closed | 3. If the above actions do not clear the error, the | |
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| control will continue to regulate water temperature | |
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| at the last setting, but you not be able to change | |
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| settings unless you replace the | |
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| control. | |
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A | B | C | 13 | The self diagnostic test | 1. Check that all wiring is correct and that there are no | |
has detected that the water | open or shorted circuits. | |||||
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| temperature sensor is ei- | 2. If no wiring problems are found the | |
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| ther open or short circuited. | control must be replaced. | |
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A | B | C | 14 | The self diagnostic test | 1. Check that all wiring is correct and that there are no | |
found a problem with the | open or shorted circuits. | |||||
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| Flammable Vapor Sensor | 2. If no wiring problems are found the flammable | |
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| Vapor Sensor must be replaced by qualified service | |
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A | B | C | 15 | The control detected the | 1. If you smell gas, STOP! Follow the instructions, | |
presence of flammable | “What to do if you smell gas” on page 1 of this | |||||
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| vapors near the appliance | instruction sheet. Otherwise call a qualified service | |
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| and entered lockout. | person for replacement of the control. | |
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The Emerson logo is a trademark and service mark of Emerson Electric Co.
