Metrohm 774 Oven Sample Processor User Manual
Page 111
5.9 Operation via RS232 Interface
774 Oven Sample Processor, Instructions for use
105
RS Send Errors:
E40
DSR=OFF. No proper handshake for more than 1s. Exit: <QUIT>. Is the
receiver switched on and ready to receive?
E41
DCD=ON. No proper handshake for more than 1s. Exit: <QUIT>. Is the
receiver switched on and ready to receive?
E42
CTS=OFF. No proper handshake for more than 1s. Exit: <QUIT>. Is the
receiver switched on and ready to receive?
E43
Transmission has been interrupted for at least 3 s with XOFF.
Exit: send XON or <QUIT>.
E44
The RS-interface parameters are no longer identical for both instruments.
Re-set.
E45
The receive buffer of the instrument contains an incomplete command (LF
missing). Transmission is therefore blocked.
Exit: send LF or <QUIT>.
E50…E59
I/O-Test error
E60…E82
RS232-Test error
Device-specific errors:
E121
Measuring point list full
E137
Method memory full
E154
Temperature not reached / HEATER timeout
E163
Gas flow too low
E165
Max. temperature reached
E168
Temperature sensor defect
E169 Flowmeter
defect
E201
Changer function error (div.)
E202
Dosimat function error
E206
Gas flow too high
E207
Error list full
E208 SCAN
timeout