| CONTROL DISPLAY STATUS | PROBLEM | SOLUTION |
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9. |
| 4. System must be manually reset by entering a | |
| (Continued from previous page) |
| special FVS reset sequence into the Electronic |
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| Control Display. See Electronic Control | |
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| Display - FV - Sense Reset Sequence in |
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| the Kenmore PCC Water Heater Service |
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| Handbook. |
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10. | The air pressure switch contacts | 1. Clean the screen on the combustion air | |
| Flashing | remain open longer than 5 | intake chamber, retest. |
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| seconds after the combustion fan | 2. If the problem persists: Cycle power to the |
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| is energized. | |
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| water heater “OFF” and “ON” to reset. | |
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11. |
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| 1. Check all wiring to the flammable vapor |
Flammable Vapor Sensor is open | sensor. | ||
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| 2. Remove the connectors from the |
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| flammable vapor sensor and measure |
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| the resistance of the sensor with an |
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| ohmmeter. |
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| A. If the reading taken is more than |
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| 1.7 million ohms, replace the |
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| flammable vapor sensor. |
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| B. If the reading taken is less than 1.7 |
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| million ohms, and the wiring from |
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| the control to the sensor is good, |
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| replace the lower control. |
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| 1. Check all wiring to the flammable vapor |
12. |
| Flammable Vapor Sensor is | sensor. |
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| shorted | 2. Remove the connectors from the |
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| flammable vapor sensor and measure |
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| the resistance of the sensor with an |
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| ohmmeter. |
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| A. If the reading taken is less than |
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| 2000 ohms, replace the flammable |
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| vapor sensor. |
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| B. If the reading taken is more than |
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| 2000 ohms, and the wiring from the |
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| control to the sensor is good, |
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| replace the lower control. |
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13. | “THMSTR” and “OPEN” Flashing |
| 1. Turn power off for 10 to 20 seconds then |
The | on again to clear this error code. | ||
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| detected the temperature sensor | 2. This part of the control cannot be |
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| (thermistor) inside the immersion | |
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| probe is open. | replaced or serviced. If the error code |
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| cannot be cleared, the lower control must |
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| be replaced. |
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14. | “THMSTR” and “SHORT” Flashing | The | 1. Turn power off for 10 to 20 seconds then |
on again to clear this error code. | |||
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| detected the temperature sensor | 2. This part of the control cannot be |
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| (thermistor) inside the immersion | |
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| probe is shorted. | replaced or serviced. If the error code |
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| cannot be cleared, the lower control must |
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| be replaced. |
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15. | All Segments Flashing | The | 1. Press and release each of the |
temperature adjustment buttons. If the | |||
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| detected one or both of the | above action does not clear the error, the |
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| temperature adjustment buttons | control will continue to regulate the water |
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| are stuck. | temperature at the last setting. However, |
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| settings will no longer be adjustable – the |
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| upper control should be replaced. |
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| 1. Check the wire that runs from the power |
16. |
| No current to Power Anode. | anode to the upper control. Check the |
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| wire for damage, and to ensure that the |
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| connectors are fully seated into the |
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| mating connectors on both ends. |
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| 2. Check that the tank is full of water. Never |
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| use this water heater unless it is |
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| completely full of water. To prevent |
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| damage to the tank, the tank must be |
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| filled with water. Water must flow from |
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| the hot water faucet before turning “ON” |
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| gas to the water heater. |
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| 3. Cycle power to the water heater “OFF” and |
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| “ON” to reset. |
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17. |
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| 1. Turn the power off for 10 to 20 seconds |
Power Anode circuit failure. | then on again to clear the error code. | ||
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| 2. If the error code persists or cannot be |
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| cleared, replace the upper control. |
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