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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Aprilaire dehumidifier flashes 7 red lites

Customer Question

Aprilaire dehumidifier flashes 7 red lites
Submitted: 1 year ago.
Category: HVAC
Expert:  bonzaco replied 1 year ago.
OK seven flashes indicates that the fload switch is open circuit - this may either be any of the following --a. the condensate pan is full - empty it.b. make sure that the float switch is working correctlyc. If the float switch is not being used make sure the jumber that bypasses the float switch is in place on the main pcb boardd. If the problem continues depending upon if the switch is bypassed either the float switch or the pcb are faulty

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