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