Lenze EPL1020x−EI - Manual (Page 69)

Troubleshooting and fault elimination
Maloperation of the Drive PLC
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69 EDK10200EV3 DE/EN/FR 7.1
Maloperation of the Drive PLC
Maloperation Cause Remedy
Communication error
Log−in not possible Drive PLC without supply voltage Switch on the supply voltage
No connection between PC and
Drive PLC Check wiring of system bus
^ Instructions for the PC system bus
module 2173IB
^ 61
PC system bus module 2173IB is not
supplied with voltage
(LED at the PC system bus module is
off) Plug in the voltage adapter for
DIN/PS2 keyboard connection
^ Instructions for the PC system bus
module 2173IB
No terminating resistor (120 W) in
the system bus
^ 57
PC system bus module 2173IB has
not been initialised Observe switch−on sequence:
1. Plug PC system bus module
2173IB on LPT1 or LPTx
2. Switch on PC
Faulty communication parameters Set communication parameters
correctly
^ DDS Getting started",
chapter 4.4.2
PC does not respond
anymore The system bus module has been
removed from the parallel prot (LPT)
of the PC during operation Restart PC
A print job has been sent to the
interface used by the system bus
module Restart PC and use another parallel
port (LPT) for printing
No control signal at digital
outputs (X2) Missing connection between X1/+24
and X1/O24 Establish connection
^ 59
Signals are not read in at
digital inputs (X3) HIGH levels of the input signals are
too low (<13 V) HIGH levels of the input signals must
amount to 13 V 30 V
^ 59