Precision Digital PD8-765 - Manual (Page 28)

PD8 Series Explosion-Proof Instrument Supplemental Manual
28
TROUBLESHOOTING
The ProtEX-MAX rugged design should make it unusual for the installer or operator
to refer to this section of the manual. If the instrument is not working as expected,
refer to the recommendations below.
Troubleshooting Tips
Symptom Check/Action
SafeTouch buttons do not respond If mechanical button was pushed. The
SafeTouch buttons will be re-enabled
automatically 60 seconds after the last
button push.
If slide switch on connector board is in
DISABLE position, switch to ENABLE.
Strong direct sunlight may interfere with
SafeTouch button operation. It is
recommended to operate the buttons by
standing so as to block direct sunlight.
Serial Communications Power LED
Indicator is off 1. Check modular cable connection
2. Check power to the device
Meter not communicating with
MeterView, MeterView Pro, or other
programs 1. Check serial cable
2. Check protocol selected on device
3. Check instrument address & baud rate
4. Check program address & baud rate
If only the TX (or DATA IN) data status
LED is flashing when serial
communications attempted 1. Check serial cable
2. Check protocol selected on device
3. Check instrument address & baud rate
4. Check program address & baud rate
If both data status LEDs (TX and RX)
are off when trying to communicate Remove all unnecessary cables and
instruments from the bus. Try getting the
system to work with only one device (to
ease troubleshooting) and then expand
the system one device at a time.
Communications slow Increase the baud rate
Random communication errors 1. Increase the TX delay time
2. Decrease the baud rate
Power LED is off 1. Check modular cable connection
2. Check power to instrument
Other symptoms not described above Call Technical Support for
assistance or the instruction manual
included with this ProtEX-MAX.