TOPTEK TOPVERT L1 Series - Troubleshooting and Error Handling; Error Messages and Solutions

TOPVERT L1 Series
E- 31
Low voltage on DC-Bus
during run
(LUr) {36}
The drive detects that the DC
bus voltage has fallen below
its minimum value du
ring run
 Check whether the input power voltage is normal
 Check whether the power supply capacity is
enough
 Check for possible sudden load
 Whether the 3-phase model is of the single-phase
power input or the phase-lacking
 Check whether the Inrush limit by-pass circuit
fault
 Check whether the input power was interrupted

Check whether the input side magnetic contactor is
normal
Low voltage on DC-Bus
(LU) {39}
The drive detects that the DC
bus voltage has fallen below
its minimum value
External Base Block
(bb) {40}
(one of Pr2-01~Pr2-03 =1
5 or
16 and act)

When the external input terminal (B.B) is active, the
drive output will be turned off.
 Deactivate the external input terminal (B.B) to
operate the drive again.
Dimension:
Unit: mm(inch)
8 0 .0 (3 .1 5 )
152.0 (5.98)
6 6 .5 (2 .6 2 )
140.0 (5.51)
5 .0 (0 .2 0 )
F ro n t V ie w
S id e V ie w
R era V ie w
B o tto m V ie w
1 2 6 .7 (5 .1 7 )
(C o o lin g fa n a t T o p s id e )