Franklin Electric Constant Pressure Controller Subdrive 75 Troubleshooting

Small pressure tank see table 4 pg.

Franklin electric constant pressure controller subdrive 75 troubleshooting.

Install a flow sleeve with airtight seal around drop pipe and cable if fluctuation is only on branches before sensor flip dip switch 4 to on 07c and newer. Disconnect power and check pressure gauge for pressure drop set deeper in the well or tank. If the subdrive does not give an open phase fault 5 fl ashes every 2 seconds then there is a problem with the subdrive. The franklin electric subdrive monodrive is designed to be part of a system that consists of only four components.

Franklin electric pressure sensor nsf 61 rated provided. The americas water systems group serves north and south america. Standard pump and franklin electric motor b. The fault light or digital display on the front of the subdrive monodrive controller will flash a given number of times or display a number indicating the nature of the fault.

Franklin electric s selection of subdrive15 subdrive20 subdrive30 and subdrive50 controllers use state of the art technology to provide constant water pressure through variable speed control of submersible water well pumps including connectivity for advanced monitoring setup and troubleshooting through fe connect mobile app. A fault was found internal to drive contact your franklin electric service personnel power down disconnect leads to the motor and power up the subdrive. Pressure gauge placement pressure tank size and pre charge leak in system air entrainment into pump intake lack of submergence correct pressure and placement as necessary tank may be too small for system flow this is not a drive problem disconnect power and check pressure gauge for pressure drop change tank size configuration.