VFD68Bxx and VFD68Cxx Drives - PENN Controls - VFD68Bxx - VFD68Cxx - VFD68Dxx - Three‐Phase Motor Speed Controller - VFD68 Three‐Phase Variable Frequency Drive

VFD68 Variable Frequency Drives Technical Bulletin

PENN Controls
Product name
VFD68 Three‐Phase Variable Frequency Drive
Document type
Technical Bulletin
Part number
Document revision
Revision date

About this task

Verify that the VFD68 is in PU mode with no jumper between SD and STF (Figure 1).
Figure 1. VFD68 Setup and Low-Voltage Connections


  1. If the PU LED is not illuminated, press PU/EXT until the PU LED comes on.
  2. Press RUN to start the VFD68 output to the motor.
  3. Turn to change motor speeds. Run the motor at high speed, maximum frequency.
  4. Verify that the motor FLA is correct using one of the following methods:
    • Use a clamp-on amp meter
    • Press MODE repeatedly until MON LED is on; press SET until the LED display shows A for amperes instead of Hz for frequency.
  5. Press STOP/RESET to stop the output to the motor.