About Aikon PD ES VFD Commonly used Error code information
2021-12-02
1. E065 dry run protection code
Lost feedback because pressure sensor is broken or damaged.
In this case, please check whether the pressure sensor is broken or damaged, if pressure sensor is in good condition. Please check if the pressure connection is right.
And if you want the VFD work at no pressure sensor condition, then set F10.26=0. At this condition, the VFD can not get the pressure singal, then keep running at 50HZ.Can't get the constant pressure function.
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PTC overheated to show this error code to protect the motor .
Check the motor and PTC terminal（ broken or not）and connection (PTC should connect PTCN and PTCN), if PTC broken please replace a new one. If motor problem, please troubleshoot and repair the motor.
If you want to close this function, set F20.20=0
Wrong QTY of VFD
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Duplicate identity
Check F26.03 of VFD. If just 1pcs VFD, set F26.03=0
If 2pcs VFD, set one VFD F26.03=0, another one VFD F26.03=1
If more than 3pcs VFD, set one VFD F26.03=0, another one VFD F26.03=1, the rest VFDS F26.03=2
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