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TROUBLESHOOTING – MOTOR
DISCONNECT power cord before removing motor cover for service. Electrical service
should be performed by trained personnel only.
KEYPAD/DISPLAY
PROBLEM
Display is blank
No response to 4-20mA signal
Display reads "00" and does
not respond when pressing
up/down keys
DC MOTOR
PROBLEM
Display working; pump is not
Pump cycles ON/OFF
HAZARDOUS VOLTAGE:
POSSIBLE CAUSE
No power cord connection point
Pump is off
Failed power supply
Not in "AUTOMATIC"
Pump is in "AUTOMATIC" mode
of operation
POSSIBLE CAUSE
Worn motor brushes
Failed DC motor
Failed DC fan
US and Canada 800.683.2378, International 904.641.1666
SOLUTION
Check voltage of receptacle/controller
output voltage
Press ON/OFF key
Check power supply; Green LED "ON" with
power applied
Check 12VDC output to board
Ensure display has a small LED light located
in upper left-hand corner indicating pump is
in "AUTOMATIC
Place pump in "MANUAL" mode
SOLUTION
Inspect brushes for wear, replace if needed
Replace DC gear motor if brushes are good
Check fan operation; Replace as required
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