Hardy HI 2151/30WC Single-Scale Controller - Manual (Page 58)

HI 2151 Series Weight Controller
Profibus Interface Option
52
8.3 TROUBLESHOOTING GUIDE
8.3.1 LED DOES NOT COME ON (SEE FIG. 8-1)
TROUBLE PROBABLE CAUSE REMEDY
LED does not come on. No power to the board. Check powercord to see if it is
plugged in or broken.
Check power source to see if
there is power to the outlet.
Figure 8-1
8.3.2 SELF TEST FAILS
TROUBLE PROBABLE CAUSE REMEDY
PLFAIL
Message
System failed
the loop back
test.
PROFIBUS PCB is
plugged in incorrectly. Remove the PROFIBUS PCB
and reinstall the card being
careful to be sure that the pins
are not bent or in the wrong
slots on the connector.
PRFAIL
Message
System failed
the RAM test.
SPC-3 (PROFIBUS) chip
has failed.
NOTE: Loop-back test
passes but the
ram test fails
Replace the PROFIBUS
Interface Card.
Contact Hardy Process
Solutions, Customer Service
Department for Instructions.