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Troubleshooting
GB
No water protection: When the pump is out of the water for more than
•
1 minute, the protection function starts and the pump stops running. At the same
time, the LED display shows 'E0'. The pump will try to resume work 9 times (each
time for 1 minute), If after 9 times the problem still is not solved the pump
will not automatically resume. You need to cut off the power supply and solve the
problem before it can start working normally again.
Under voltage protection / overvoltage protection: When the pump input
•
voltage is below or above the standard voltage and holds for more than
1 second, the system will automatically enable protection to stop the pump.
After the input voltage has returned to normal and holds for more than 3 seconds,
the system will automatically restart the pump. When the under voltage protection
is activated, the LED display shows 'EL', when the over voltage protection is
activated, the LED display shows 'EH'.
Overload protection: When the pump is running and the pump load exceeds
•
the rating the system identifies it as pump overload. The overload
protection function is activated after about 1.5 seconds after the pump has
stopped running. This protection function has the Inverse-time characteristic,
the higher the overload, the faster the trigger. Starts automatically after the pump
stops for 1 second, and the system will repeat the protection process until the
overload is eliminated. When the overload protection is triggered, the LED display
shows 'EF'.
Over-temperature protection: The pump automatically stops running when
•
the controller temperature exceeds 80°C, the LED display shows 'EC'. The pump
automatically starts running again when the controller temperature returns to
65°C or less.
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