Heating

Brand

U.S.Boiler Company

U.S.Boiler Company

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Type:

Alpine ALP105B

Alpine ALP105B

Error code:

19
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Error code: 19

Cause of error code 19

Purge rate proving failed
Blower is not running at Purge rate when it should or blower speed signal not being detected by Sage2.2.

Solution for error code 19

• Loose connection in 120 VAC blower wiring.
• Loose or miswired blower speed harness.
• Defective blower

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