2930 61st Street
Menomonie, WI 54751
715-283-4422

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Craig M.

Craig M.


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Responded to service call for Lennox furnace with error code 200 (open limit switch). Identified loose Molex plug connection at the control board as the source of the issue. Properly reconnected the connector and verified complete system operation. Furnace now functioning normally with no error codes present.

Responded to service call for Lennox furnace with error code 200 (open limit switch). Identified loose Molex plug connection at the control board as the source of the issue. Properly reconnected the connector and verified complete system operation. Furnace now functioning normally with no error codes present. Responded to service call for Lennox furnace with error code 200 (open limit switch). Identified loose Molex plug connection at the control board as the source of the issue. Properly reconnected the connector and verified complete system operation. Furnace now functioning normally with no error codes present.