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Page 43
Revised 7/95 DFS-1 Manual
POWERTEC Ind. Corp.©
ERROR CODES FOR ON-BOARD DISPLAY
The DFS-1 has a single-digit alphanumeric display to show error codes when something is wrong. Following is a
list of the meanings of the numbers in that display:
0 All conditions nominal
1 Undervoltage trip .................................................Line voltage dropped below minimum level
2 Overvoltage trip of drive ......................................Bus voltage exceeded safe limit
3 Undervoltage timer tripped .................................. Line voltage low for too long
4 Instantaneous overcurrent ....................................Excessive transistor current
5 Loss of encoder signal .......................................... Encoder speed signals lost.
Encoder loss detection applies only when pulse
multiplier is set to 4X
6 Motor thermal tripped .......................................... Motor is too hot or thermal is disconnected
7 Commutation fault ............................................... Signals from position encoder lost
8 +24VDC lost at TB2-A14 and TB2-B1 ...............Fuse FR1 overloaded
9 +24VDC lost at TB3-B1 ...................................... Fuse FR2 overloaded
A +5VDC lost at TB1-A8 ........................................ Fuse FR4 overloaded
B +24VDC lost at TB1-A10 .................................... Fuse FR3 overloaded
C Current limit .........................................................Drive is at maximum current output
D Timed Overload....................................................Timed overcurrent has occured
E Display fault ......................................................... Fault in display module
F Applications fault .................................................Fault in applications program
5.0 DFS - 1 ERROR CODES