Agilent 1200 Preparative Pump User Manual 93
Troubleshooting and Diagnostics
6
Error Messages
24V Supply for External Devices Low
Voltage sensing of the 24 Volts CAN outlet shows low voltage, probably fuse 
has blown.
Probable cause Suggested actions
1 Excessive current has been drawn by an 
external device connected to the external 24 
CAN-DC out.
Ensure, that any device, connected to the 
external 24 CAN-DC out, does not draw more 
than 100 mA as a permanent current or a 
maximum of 2 A for no longer than 2 seconds. 
The error condition will be reset automatically, 
when the excessive current is not drawn from 
the external 24 CAN-DC out port any more.
2 Defective main board. Exchange main board.