Only use spare parts supplied by Hayward
®
brand
Page 14 on 22Xxxxxx xxxx
EN
English
ALARMS AND FAULT CODES
If an alarm is triggered the drive will display a fault code text and the pump will stop running. Disconnect power
to the pump and wait until the keypad LEDs have all turned off, then reconnect power. If the error continues to
appear after power is reconnected, proper troubleshooting will be required. Use the error description table
below to begin troubleshooting.
Problem Description
1 Blocked or motor wire short circuit or high temperature rise
2,4,6 The input voltage is too high
8 The input voltage is too low
16, 128 Motor fails to start normally
256 Motor phase loss or the motor and driver are not connected well
300 No load
301 Overtemperature
POWER OUT FAILURE – Incoming supply voltage is less than 190 VAC or the controller is disturbed, and the input voltage
exceeds the limit value.
16,128 – Motor fails to start normally: The motor is stuck, or the ground wire of the motor is not properly connected, or
the driver is not correctly installed on the motor.
300 – No load: Water may not be absorbed.
301 – Overtemperature: The temperature of components inside the driver exceeds the limit.
It is possible to have two or more abnormalities at the same time. For example, when the motor stops abnormally,
error code 7 is displayed, indicating the superposition of error codes 1, 2 and 4.
Problem Possible Cause Corrective Action
Pump runs
without ow.
Impeller is loose
Air in suction line or
pump
Clogged or restricted
plumbing
Ensure fan at the rear of pump is spinning. If so, disassemble pump
(Pump Disassembly, page 12) and ensure impeller is correctly
installed.
1. Inspect suction line plumbing and valve(s) for damage or loose
connections.
2. Ensure the strainer pot lid is sealing properly. Verify lid O-ring is in
place.
3. Ensure proper pool water level and water is available to the
skimmer
1. Inspect for and clear any blockage in strainer pot or suction line.
2. Inspect for blockage in discharge piping including partially closed
valve or dirty pool lter.
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