16
TROUBLESHOOTING - CONTROL BOX FAULT CODES
In the unlikely event of an issue developing
with the Varipump, a 3 digit fault code may be
displayed on the control box screen.
Use the table below to understand what these
codes mean.
If the controller displays digits but the pump is
not working - pull out the power cord and re-start.
Fault
Code
Fault Resolution
E01
Pump is
out of water
The pump is working without water.
E02 Over current
Abnormal load over current protection.
Please pull out the power plug and re-plug again.
E03 Default phase Bad contact or loose connection in the motor.
E04
Issue with power
cable connecting
pump to the
control box
E05 Impeller stuck
Rotation clogging protection, if the pump still not working
after restart for three times, please re-plug the power.
Or clean the impeller (refer to manual)
E06 Over voltage
Over voltage protection when the working voltage is
higher than the rated voltage.
E07 Under voltage
Low voltage protection when the working voltage is
lower than the rated voltage.
Check the cable for signs
of visible damage. Or there
maybe a loose connection
inside the control box.
Disconnect the pump from
the mains, unscrew the
control box and check the
connections (see photos).
If connections are fitted
and the pump still does
not, the control box may
be faulty and needs
changing.
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