Metrohm 709 IC Pump - Manual (Page 49)

5.1 RS232 interface
709 IC Pump
41
5.1.5 Error messages
Error messages ‘ EXXX ’ are added to the status messages and sepa-
rated from them by the sign " ; ". The following error messages are pos-
sible:
Error Meaning Exit/Corrective action
E29 Wrong value or no value allowed. Send correct value or call up new
object.
E30 Wrong value or no value allowed. Send correct value or call up new
object.
E31 Wrong trigger, this trigger is not allowed
or carrying-out of action not possible. Send correct trigger (exception: $D) or
call up new object.
E32 Pump stopped by automatic pressure
shutdown
(P
min
or P
max
violated).
First press key, then
key.
E39 RS232 receive error; overflow of internal
receive buffer (>82 characters). First press key, then
key.
5.1.6 RS232 error rectification
Problem Questions for corrective action
No data transmission
occurs and an error
message appears in the
display of the 709 IC
Pump.
⇒ E01: Transmission error.
Is the cable used properly wired and plugged in?
Is the printer switched on and set to ”on-line”?
⇒ E01: Receive error. Are the RS232 data transmission
parameters of the third-party device and the pump the same?
The received characters
are garbled. ⇒ Are the RS232 data transmission parameters of the third-party
device and the pump the same?
⇒ Does the baud rate of the two devices have the same setting?