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7
The IntelliFlo VSD alarms and warnings are indicated by flashing LEDs on the control panel. For example, if a "Drive Temperature"
warning occurs, the LED will blink two times, then Off, then blink two times. This sequence is repeated until the condition is cleared.
Warning condition: If a warning condition occurs the pump will be continue to run but at a reduced speed. The Green LED
•
executes a sequence of blinks to indicate which alarm or warning has occurred.
Alarm condition: If an alarm condition occurs the pump will drive stop running. The red LED flashes continuously to indicate the
•
presence of an alarm. The alarm LEDs will reset when the condition clears.
Alarm (RED) and Warning (GREEN) LED sequence
Number of time
the LED will blink
2
5
6
7
8
9
IntelliFlo Pump Warnings and Alarm Conditions
Alarm
Drive
Excessive drive tem-
Temperature
perature
Warning
Unknown alarm
Electronic failure
Drive Temperature
Excessive drive tem-
Alarm
perature
Supply
Power Out Alarm
voltage low
Excessive drive cur-
Over current Alarm
rent
Over voltage
Excessive voltage on
Alarm
drive buss
Description
1. Ensure the motor fan has adequate area for
ventilation.
2. Stop motor and allow to cool.
3. Run motor at a higher speed to improve cool-
ing air flow.
1. Cycle power to reset pump.
2. Replace drive.
1. Ensure the motor fan has adequate area for
ventilation.
2. Run motor at a higher speed to improve cool-
ing air flow.
Ensure proper supply voltage.
1. Examine fluid/mechanical system for source of
overload.
2. De-energize motor and
determine if motor spins freely.
3. Replace drive.
1. Rapid switching between speeds can cause
excessive voltages on the drive's DC buss.
2. Ensure proper supply voltage.
Section 5
Action
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