CodeMeaningSeverityLink
E0Excessive retries or recycles
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→E1Pressure switch was closed at the wrong time
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→E2Pressure-switch circuit did not close
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→E3Limit circuit opened
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→E4Flame detected when the gas valve should be off
Emergency
Emergency
→E5Low-voltage fuse is open
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→E6Low flame-sensor signal
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→E7Igniter circuit fault
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→1 FlashIgnition or flame-proving failure
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→2 FlashPressure switch was closed at the wrong time
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→3 FlashPressure-switch circuit did not close
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→4 FlashLimit circuit opened
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→5 FlashFlame detected when the gas valve should be off
Emergency
Emergency
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