3
2
SETTING UP
2.1
Instrument Power-up – Fig. 2.1
Caution. Ensure that all connections, especially to the earth stud, are made correctly.
a) Check that the input sensors are installed correctly.
b) Switch on the supply to the instrument, any power-operated control circuits and the input
signals.
c) The start-up sequence shown in Fig. 2.1 is displayed when the supply is first switched on.
2.2
Simple Fault-finding
If the instrument does not appear to be working satisfactorliy, carry out the following checks
before contacting the Service Organization:
•
Are all connections made correctly?
•
Is there power to the instrument?
•
Is there a signal at the process variable input and/or the control output terminals?
Line Failed indicates power
has been restored after a
failure. Cleared by pressing
the switch.
Instrument Test identifies the instrument type, C300, C301
or C310 – see
Table 2.1 in the Installation Guide.
or
C300
tESt
Configuration Check
indicates configuration error.
Acknowledged by pressing
the switch.
C310
tESt
LINE
FAILEd
Flashing
between
CONFIG
CHECK
Flashing
between
or
100.3
200.5
100.3
200.5
Normal Display
Normal Display
C301
tESt
or
Fig. 2.1 Instrument Displays at Power-up
Note. Acknowledging error clears the display but does not rectify the fault. First check
critical parameters. Power down and then power up the instrument. If the fault
persists after checking all parameters, contact the Service Organization.
