EMG 1500 Operating Manual
Guide to commissioning and troubleshooting
13
6. Guide to commissioning and troubleshooting
Malfunction:
Possible cause:
Remedy:
On start-up the Run
LED does not come
on or flash.
No power supply or
incorrect voltage.
Check power connections
(see
Figure 1
on page 6)
After the IP address
has been configured,
there is no signal from
the device.
The new IP address
has not been
adopted.
Switch the device off and
then on again.
After the Ethernet
cable has been
plugged in, the device
cannot be accessed.
During device start-up
no Ethernet
connection could be
detected.
Switch the device off and
then on again.
The Bus error LED
comes on.
One or more EM
devices on the
FRAKO-
Check bus connections to
the devices
(see Section 3.2.3)
Starkstrombus cannot
be accessed.
Check whether the
correct bus address has
been set in the device.
The Bus error LED
flashes occasionally.
Poor bus connection
to the devices.
Check the device bus
connections
(see Section 3.2.3)
