Flint & Walling Commander Pro 100 User Manual

Page 7

Flint & Walling, Inc. • 95 North Oak Street • Kendallville, IN 46755 • www.flintandwalling.com

SYSTEM TROUBLESHOOTING

Should an application or system problem occur, built-in diagnostics will protect the system. The red “FAULT” light on the
front of the CP WATER SD100 controller will flash a given number of times to indicate the nature of the fault. In some
cases, the system will shut itself off until corrective action has been taken. Fault codes and the recommended corrective
action for each are listed in the following table.

# of

Flashes

Fault

Possible Cause

Corrective Action

Motor underload

Under voltage

Locked pump

Open circuit

Short circuit

Overheated
controller

Overpumped or dry well. Worn pump.
Broken motor shaft. Blocked pump or
screen

Low line voltage

Motor/pump misaligned. Abrasives or sand
bound pump

Loose connection. Defective motor or
cable

Defective cable, splice or motor

High ambient temperature. Direct sunlight
exposure. Obstructed air flow.

Wait for well to recover and automatic restart timer
to time out. If the problem does not correct, check
motor and pump. See description of “Smart Reset”
below troubleshooting chart.

Check for loose connections. Check line voltage.
Report low voltage to the power company. Unit
will start automatically when the proper power is
supplied.

Unit will attempt to free a locked pump. If
unsuccessful, check the motor and pump.

Check motor wiring. Make certain all connections
are tight. Make certain proper motor is installed.
Cycle input power* to reset.

Check motor wiring. *Cycle input power to reset.

This fault automatically resets when the
temperature returns to a safe level.

NOT USED

*”Cycle input power” means, turn the power off until both lights fade off and then apply power again.

Description

Part Number

Pressure Switch

020627

100’ Pressure Switch Cord

020628

Controller - Standard

023045

Controller - NEMA 4

023046

Motor

137462

Pump end for CP10007LT (N4LT)

CP10007RP

Pump end for CP10010LT (N4LT)

CP10010RP

Pump end for CP10019LT (N4LT)

CP10019RP

Pump end for CP10027LT (N4LT)

CP10027RP

Pump end for CP10035LT (N4LT)

CP10035RP