JUMO 706021 LOGOLINE 500d Line Recorder Operating Manual - Manual (Page 120)

11 Fault finding
120
Relay does not switch
although limit is exceeded - The signal inputs are not wired up according to the connection
diagram
- Pen recorder and external relay module ER8 are not connected
together correctly
- The switching differential at the limit has been disregarded
- The relay status is “OFF”
- A wrong signal is being monitored against the limit
No programming possible - A wrong codenumber has been input
- The codenumber has been altered
No communication with the
setup program - The setup connector has not been plugged in correctly
- The recorder is already being configured using the keys; leave
parameter and configuration level by pressing the
e
key.