17
11. Troubleshooting (Cont‘d.)
Red Light Codes
Number
Controller Status
Fault Description.
of
This information is to be used by professional installers or qualifi ed
Flashes
Controller Action
personnel only.
4 Blinks
Pump or Motor Bound
This fault can be caused by:
• Mechanical binding from debris in pump.
• Electrical failure of the motor.
• Incorrect setting of “MOTOR OVERLOAD SETTING” switch.
Verify the error by turning power to controller off for 1 minute and then
on. Pump/Motor must be checked if fault persists.
5 Blinks
Short Circuit
This fault can be caused by:
• Electrical failure of the motor
• Electrical failure of wiring between controller and motor.
Verify the error by turning power to controller off for 1 minute and then
on. If error persists, motor and wiring between controller and motor
must be checked. Turn power off for 1 minute. Remove the three motor
wires from the terminal block. Check wiring and motor for shorting
phase to phase and phase to ground. Refer to motor’s manual for
information on resistance readings.
This device does not provide personnel protection against shock.
This function is intended for equipment protection only.
6 Blinks
Ground Fault
This fault can be caused by:
• Electrical failure of the motor
• Electrical failure of wiring between controller and motor.
• Miswiring of motor cable.
Verify the error by turning power to controller off for 1 minute and then
on. If error persists, motor and wiring between controller and motor
must be checked. Turn power off and wait 1 minute. Remove the three
motor wires and ground wire from the terminal block. Check wiring and
motor for shorting phase to ground using a megohmmeter (“megger”).
A reading less than 200K Ohms indicates faulty insulation in the motor
cable or motor. Test each to determine fault location.
The controller will try to
restart the motor three
times before displaying
this fault. To clear the
fault, turn off power to
the controller, wait 1
minute, turn on power
to the controller. If fault
persists contact installer.
If this fault was
detected while the
pump was running, the
controller will attempt
to restart three times
before displaying
this fault. To clear the
fault, turn off power to
the controller, wait 1
minute, turn on power
to the controller. If
fault persists contact
installer.
The controller will not
restart if displaying
this fault. To clear the
fault, turn off power to
the controller, wait 1
minute, turn on power
to the controller. If
fault persists contact
installer.
WARNING