21
Troubleshooting (Cont.)
Problem
Possible Cause
Corrective Action
Pump runs without
flow.
Impeller is loose
Air leak
Clogged or restricted plumbing
Check that pump is spinning by looking at fan on back
of Variable Speed Pump. If so, check that pump
impeller is correctly installed.
Check plumbing connections and verify they are tight.
Check for blockage in strainer or suction side piping.
Checked for blockage in discharge piping including
partially closed valve or dirty pool filter.
Errors and Alarms
If an alarm is triggered the drive's LCD screen will display the fault code text and the Variable Speed Pump will stop
running. Disconnect power to the pump and wait until the keypad LEDs have all turned o ff. At this point, reconnect
power to the pump. If the error has not cleared then proper troubleshooting will be required. Use the error description
table below to begin troubleshooting.
Fault Code
Description
Fault Code
Description
E-01
Inverter unit protection
E-11
Phase loss at input side
E-02
Acceleration over current
E-12
Phase failure at output side
E-03
Deceleration over current
E-14
Module overheating
E-04
Constant speed over current
E-16
Communication fault
E-05
Acceleration over voltage
E-17
Current detection fault
E-06
Deceleration over voltage
E-24
Inverter hardware fault
E-07
Constant speed over voltage
E-08
Under voltage fault
E-09
Motor overload
E-10
Inverter overload
E-16 —
Communication Link between the HMI and Motor control has been lost:
Check the jacketed wire on the
back side of the keypad inside the drive top cover. Ensure that the 5 pin connector is properly plugged into the socket
and that there is no damage to the cable.
E-01,02,03,04,05,06,07,09,10,24 -
Internal Errors:
If this error displays multiple times, then there may be a problem
with the pump's rotating assembly. Please disassemble the pump and investigate to see if there is a problem with the
impeller or mechanical seal. See page 9 “Pump Disassembly" for instructions for disassembling the pump.
E-08 —
Absolute AC Under Voltage Detected:
This indicates that the supply voltage has dropped below the
operating range of 200v. This could be caused by normal voltage variation and will clear itself. Otherwise there could
be excess voltage sag caused by improper installation or improper supply voltage.
E-14 —
Module overheating:
Should be caused by high ambient temperature or overload.
