On some Haier dehumidifier models, the fan cycles on and off when the compressor cycles. The fan and compressor run together and shut off together. Factors that could affect the dehumidifier fan operation are humidity levels and dirty air filter. Consult your Owner's Manual for cleaning directions. Below is a listing of some of these models:
DM32
DE45
DE65
HEH45
HEH50
Other Haier dehumidifier models have fans that run continuously. Below is a listing of some of these models:
HM50
HM70
HE30
HE70
HEN30
HEN70