Pentair 4/100, 4/160 Troubleshooting, Section, Warning and Alarm conditions

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Section 5

Troubleshooting

CAUTION: Before installing this product, read and follow all warning notices and instructions on page ii.

Warning and Alarm conditions

The IntelliFlo 4 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 and warning LED sequence

Number of time the	Alarm	Description	Action
LED will blink
2	Drive Temperature Warning	Excessive drive temperature	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 cooling air flow.
5	Unknown alarm	Electron failure	1.	Cycle power to reset pump.
			2.	Replace drive.
6	Drive Temperature Alarm	Excessive drive temperature	1. Ensure the motor fan has
				adequate area for ventilation.
			2. Run motor at a higher speed to
				improve cooling air flow.
7	Power Out Alarm	Supply voltage low	Ensure proper supply voltage.
8	Over current Alarm	Excessive drive current	1. Examine fluid/mechanical
				system for source of overload.
			2. De-energize motor and
				determine if motor spins freely.
			3. Replace drive.
9	Over voltage Alarm	Excessive voltage on drive buss	1. Rapid switching between speeds
				can cause excessive voltages
				on the drive's DC buss.
			2. Ensure proper supply voltage.

IntelliFlo 4 Installation and User’s Guide