Fault And Alert Messages (cont)
Call the technical support phone number listed on the back cover for further technical assistance or to locate a qualified service agent in your area.
Possible Causes - Check/Repair | Displayed Fault/Alert Message | |||||
• The control system has detected the Blower Prover Switch |
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Blower Prover Failure |
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contacts are closed when they should be open at the beginning of |
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a heating cycle. |
| Fault occurred 2 mins ago |
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• Pinched/shorted Blower Prover Switch wiring. | The blower prover switch is |
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closed out of sequence. |
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• Jumper wire connected to the Blower Prover Switch - remove |
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jumper wire. Jumper wires must never be used, read all Warnings. |
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• Excessive wind outdoors pressurizing the vent system piping. | Call a service professional: |
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• Excessive negative air pressure in the installed space. | Your Company Name Here |
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(press [DOWN] for more....) |
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| CHANGE | BACK | ADVANCED |
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• The control system has detected the Blower Prover Switch |
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Blower Prover Open |
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contacts are remaining open after the control system has |
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energized the Combustion Blower. |
| Fault occurred 2 mins ago |
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• Loose or open wiring to the Blower Prover Switch. | The blower prover switch remains |
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open after the blower has been |
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• Blower Prover Switch air sensing tube disconnected, kinked, filed |
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energized. |
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with condensate, damaged or leaking - repair or replace tube. |
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• Combustion Blower is not running when energized. | Call a service professional: |
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• Loose or open wiring to Combustion Blower. | Your Company Name Here |
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(press [DOWN] for more....) |
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| CHANGE | BACK | ADVANCED |
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• The control system has detected the Blocked Intake Air Switch |
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Blocked Air Intake |
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contacts are open. |
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• Loose or open wiring to the Blocked Intake Air Switch. |
| Fault occurred 2 mins ago |
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The combustion air intake is |
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• Excessive equivalent pipe length, exceeded the maximum number |
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restricted. |
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of 90° elbows or wrong pipe size used in the intake air piping |
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system. |
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• Excessive negative air pressure in the installed space. | Call a service professional: |
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| Your Company Name Here |
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| (press [DOWN] for more....) |
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| CHANGE | BACK | ADVANCED |
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• The control system has detected the ECO (energy cut out) Switch |
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Energy Cut Out (ECO) | ||||||
contacts are open. | ||||||
• The ECO switch is a normally closed switch that opens on a |
| Fault occurred 2 mins ago |
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Tank temperature is excessive. |
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temperature rise to prevent excessive water temperature in the |
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The water heater has been |
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storage tank. The ECO switch is inside the Temperature Probe |
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disabled. |
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(two red wires). |
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• Loose or open wiring to the ECO switch in the Temperature Probe | Call a service professional: |
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- two red wires. | Your Company Name Here |
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| (press [DOWN] for more....) |
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CHANGE BACK ADVANCED
55
