Johnson Controls VFD67 Series, Getting Started Manual, Page: 45 / 52

VFD67 Size A to D Getting Started Guide
45
Issue Number: 1 www.johnsoncontrols.com
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* The Enable/Reset terminal will not reset an O.Ld1 trip. Use the Stop/Reset key.
** These trips cannot be reset for 10 seconds after they occur.
For a detailed description of how to reset the drive after it has tripped, contact the
supplier of the drive.
Table 8-1 DC bus voltages
Table 8-2 Alarm warnings/Display indications
Drive voltage rating UV Trip UV Reset Braking level OV trip
110V 175 215 * 390 415
200V 175 215 * 390 415
400V 330 425 * 780 830
* These are the absolute minimum DC voltages the drives can be supplied by.
NOTE
Display Condition Solution
OVL.d
I x t overload (I = current, t = time) Reduce motor current (Load)
hot
Heatsink/IGBT temperature high Reduce ambient temperature or reduce motor current
br.rS
Braking resistor overload Contact the supplier of the drive
AC.Lt
Drive is in current limit Contact the supplier of the drive
FAIL
Failed attempt to read stick
An attempt has been made to read the stick when the drive
was not disabled or tripped, or the stick is read-only.
If no action is taken when an alarm warning appears, the drive will trip on the appropriate fault
code.
NOTE