VARIABLE SPEED DRIVE
The A/C drive is located in an enclosure on machine COLUMN, at rear.
-Open cover of operators console, and you will see in the upper right hand
corner the A/C drive, labeled ALTIVAIR
When you turn on power, you will see the rdy message. If the rdy message
does not appear, the drive is dead and must be replaced.
When the drive has a problem, instead of rdy you will see most likely one of
the following:
OLF - which means the drive has been overloaded for some reason
(reassess how you are using the machine)
OSF - which means the supply voltage is too high (check your voltage)
USF - which means the supply voltage is too low (check your voltage)
The most frequent problems with machines are voltage too high,
voltage too low, and overloading the drive.
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General