Franklin 5870206300 System Troubleshooting Guide, Symptom Possible Cause Corrective Action

Page 25

System Troubleshooting Guide

Symptom

Possible Cause

Corrective Action

 

 

 

 

 

Verify motor connections.

 

Motor is running backwards.

See Figure 2 in the “Wiring

 

 

Connections” section.

 

 

 

Water flow rate

Temperature in the controller

Make sure there is at least 6” of room

is too high. If the controller’s

around the controller for movement

is not as high as

heat exchanger becomes too

of air. Avoid direct sunlight. Reduce

expected.

hot, the controller will reduce

ambient temperature below 125°F

 

the speed of the pump to

(51°C). Increase input voltage if

 

lower the power consumption.

below 230 VAC.

 

 

 

 

Pump capacity cannot supply

Use pump with higher flow rating

 

the demand.

(if head requirement is still satisfied).

 

 

 

 

 

Check tank for bladder damage.

 

 

Replace if necessary.

 

Waterlogged tank.

 

Excessive

Reset the tank pre-charge pressure

 

 

(should be 70% of pressure sensor

pressure

 

 

setting).

fluctuations.

 

 

 

Pressure tank is too small for

Use larger tank

 

 

(refer to Table 3 on Page 16 for

 

flow rating of the pump.

 

minimum Pressure Tank size).

 

 

 

 

 

Motor runs

Leak in the pitless adapter.

Re-seat the pitless adapter. Replace

seal as needed.

 

continuously with

 

 

Leak in the household or

Check for leaky faucets, valves

no flow demand.

 

outdoor plumbing

and/or pipe fittings and repair.

 

 

 

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Contents SubDrive300 Contents SubDrive Models Description and Features Years Included ItemsConstant Pressure How It WorksUnique Features System DiagnosticsMotor Soft Start Drive Configuration Pump SizingPOS Underload Sensitivity Underload Sensitivity for Shallow WellsBefore Getting Started Min Controller Location SelectionCorrectincorrect Circuit Breaker and Wire Sizing Quick Reference Guide SubDrive300 not to scale Minimum Tank Size Pressure TankMounting Screws Installation ProcedureMotor Lead Connections Wiring ConnectionsPower and Pressure Sensor Connections Pressure Sensor Pressure Shut-off Sensor Leaky Systems Start-Up and OperationFor Use With C SpecificationsMounting Dimensions Flashes Fault Possible Cause Corrective Action Diagnostic Fault CodesSymptom Possible Cause Corrective Action System Troubleshooting GuideOver-Temperature Foldback Underload Smart ResetTOLL-FREE Help from a Friend 400 E. Spring Street Bluffton, Tel