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E-14:
Overheated module. This may be caused by overloading. Or the ambient temperature is too
high (above 40ºC /104ºC). Check whether the fan blade cover is blocked and whether the fan
blade is damaged.
E-16:
The communication line between HMI and controller is lost or damaged. Check the commu-
nication wire on the back of the keypad on the top cover of the controller. Check whether the
6-pin communication wire is correctly inserted into the socket. Check whether the communi-
cation wire is damaged.
E-01, 02, 03, 04, 05, 06, 07, 09, 10, 24:
Internal error. If the above alarms occur frequently, there may be a problem with the rotating
components of the pump (motor, impeller, sealing parts, or bearing). Please disassemble the
pump and check whether there is a problem with the impeller, sealing parts, or bearings. Refer
to page 17 of the instruction manual for disassembling the pump.
Common Problems
Fail to start
• No display
Check that all electrical switches are on. Ensure the circuit breakers are properly set. Check
if timer is set properly. Check motor wiring at terminals.
• Pump shaft locking
Check that the pump can be rotated by hand and remove any blockage.
• The pump shaft is damaged
Replace the motor or the bearing.
Pump Fault
• The pump does not start, leak, too much air
Check the suction pipe and bonnet on any suction gate valve. Secure the cover to the pump
filter tank and ensure that the cover gasket is in place. Check the water level to ensure that
the skimmer is not inhaling the air.
• The pump does not start up, and there is not enough
Ensure that the suction lines, pumps, filters, and pump volute are filled with water. Make
sure that the valves in the suction line are working and open (some systems have no valves).
Check the water level to ensure that there is water through the skimmer.
Pump filter basket is blocked
• Clean the pump body. Replace the filter basket.
Reduced capacity
• Air bags or suction lines leak
Check the suction lines and bonnet on any suction gate valve. Secure the cover to the pump
filter tank and ensure that the cover gasket is in place. Check the water level to ensure that
the skimmer is not inhaling the air.
• Closed impeller, pump filter plug
Turn off the power supplied to the pump. Disassemble (see page 15, "Pump Disassembly")
and remove debris from the impeller. If you cannot clear the debris, complete the following
steps: Remove the left threaded screw bolts and O-ring seal. Remove, clean, and reinstall the
impeller. Reassembly (see "Pump Reassembly" on page 18) Clean the suction trap.
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