External devices – Bio-Rad ChromLab™ Software User Manual
Page 263

External Devices
Instrument Guide
| 261
External Devices
Symptom
Possible Cause
Possible Solution
Unable to zero an
external device
connected to SIM
1
or
SIM 2 ports on the signal
import module (SIM).
Incorrect readings from
an external device
connected to SIM 1 or
SIM 2 ports.
Possible voltage offset between
the negative and ground input
terminals on the SIM.
Install a jumper between the
negative and ground terminals
on the SIM 1 or SIM 2 ports.
device to the SIM 1 and SIM 2
ports on page
Unable to connect to the
BioFrac™ fraction
collector.
The fraction collector is not
turned on.
The NGC instrument loses
connection to the fraction
collector.
The fluidic scheme includes
the fraction collector.
Power on the external device
and click Retry on the dialog
box that appears.
Power off both instruments
and then restart them in this
order:
1. The fraction collector
2. The NGC instrument
Select a fluidic scheme that
does not include the fraction
collector.