The coleman heat pumps we've had in the past would do that. Furnace kicks on to bring up the temp then heat pump takes over. I really don't think anything is wrong with it. If in fact your wife did hit the t-stat setting up that much, more than likely this is what happened.
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John and Rebecca Dickson
Emma-13 / Little John-10 / Iva-7
2013 Ford F-350 Lariat FX4, CC LB PSD, DRW
2015 Jayco Jay Flight 28BHBE (#8)
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