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This is caused when the HPV900 is programmed with motor data (A5)
that conflicts with the drive software.
1. Unplug the CAT5 cable from the DRIVE port on the machine room
SRU board. This will restore access to the HPV LCD screen.
2. Go to A5 – Motor Parameters – Motor Poles and verify that you
have the correct number of poles listed.
3. Next, go to A5 – Motor Parameters – Rated Motor Speed and lower
the RPM 15-20 rpms and save.
4. Plug the CAT5 cable back into the DRIVE port on the machine room
SRU.
Speed Adjustment on Magnetek (CMD vs. FPM)
1. Make sure all your motor data is entered correctly.
2. On the Magnetek drive adjust this parameter:
a. Motor Drive (A1) “Contract Mtr Spd”
i. Adjust this up or down to match CMD speed to FPM actual
speed.
ii. This does not have to match your motor’s actual RPM.
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