Main level unit. Changed filter. Clean drain. Checked amps on blower and heat strips. Both test good. Checked all zone dampers. Zone dampers test good. Checked amps on heat strip and blower motor. Both test fine. Basement unit. Change filter. Clean drain. checked all electronic components. Checked amps own blower motor and heat strips. both test fine. Check zone dampers. Zone dampers working as they should. Checked amps on compressor and fan on both units. Both units Test fine. both heat pumps working as they should. customer not at home at the time of service.