Q-Drive Installation Manual Issue 1.5
Page 54 Copyright © 1996 Quin Systems Ltd.
8.7 Trouble Shooting
The following table shows the most frequent troubles and their causes.
No Trouble Possible cause
1 LED “OVER I”
switched on
short-circuit between 2 motor terminals
2 Display 2 limit of continuous current reached
-
Resolver Shift Angle
parameter incorrect
3 Display 3 motor overloaded
- badly wired or loose connection of wires for motor
thermal switch
4 Display 4 servo-amplifier overloaded
- cooling fan failure
5 Display 5 resolver conversion circuit failure
-
Resolver Shift Angle
parameter incorrect
6 Display 6 resolver failure - resolver wiring failure
7 Display 7 appears with OVER I LED
- brake fuse failure or missing
- appears in case of over-voltage or supply missing
8 Display C motor connection failure
9 Display d detection of a motor ground defect (option) with
auto-transformer
10 Motor doesn't turn. Display
shows 0 when speed
command is applied
- max. current of servo-amplifier limited too low
- motor brake engaged
- speed reference short-circuited by
REF
Jumper
11 Motor rotation is not smooth
Motor pole pairs
parameter incorrect
- Motor wiring on terminal U, V, W not in the correct
sequence
12 Motor turns in wrong
direction
Command signal is wired incorrectly, Reverse
connections to PP10.3 and P10.4 and change the
setting of jumper J3.
Table 10: Q-Drive Trouble Shooting