Hardy HI 3010 Filler/Dispenser Controller - Manual (Page 127)

111 CHAPTER 7
Troubleshooting
N - Blank Screen
N
No
Measure the excitation
voltage at J1
5 VDC?
Contact
Hardy Instrument
Technical Service
800-821-5831
Disconnect all the
connectors from the
back panel except
power.
Measure the
Excitation voltage
at J1
5 VDC?
1) Check for proper power at the
source connection.
2) Check the circuit breaker at the
source.
Check the power fuse located inside
the case
OK?
Replace the 2.5
amp slo-blow fuse
and supply power.
Does the fuse blow
out again?
1) Reconnect the jacks one
at a time checking the 5 VDC
excitation.
2) If reconnecting any jack
effects the 5 VDC, check for
wiring errors.
Contact Technical
Service
Monitor system for proper
operation
Check out complete
Measure AC Power
at J6
OK?
No
Yes
No
Yes
Yes
No
No
Display OK