Precision Digital PD6000 - Manual (Page 88)

Model PD6000 Analog Input Process Meter Instruction Manual
88
Troubleshooting Tips
Symptom Check/Action
No display at all Check power at power connector
Not able to change setup or pro-
gramming, Locd is displayed Meter is password-protected, enter
correct six-digit password to unlock
Meter displays error message dur-
ing calibration (Error) Check:
1. Signal
connections
2. Input selected in Setup menu
3. Minimum input span requirements
Meter displays
1. 999999
2. -99999
Check:
1.
Input selected in Setup menu
2. Corresponding signal at Signal
connector
Display is unstable Check:
1.
Input signal stability and value
2. Display scaling vs. input signal
3. Filter and bypass values (increase)
Display response is too slow Check filter and bypass values
Display reading is not accurate Check:
1.
Math function selected: Linear,
square root, etc.
2. Scaling or calibration
Display does not respond to input
changes, reading a fixed number Check:
1.
Display assignment, it might be
displaying max, min, or set point.
Display alternates between
1. Hi and a number
2. Lo and a number
Press Menu to exit max/min display
readings.
Relay operation is reversed Check:
1. Fail-safe
in Setup menu
2. Wiring of relay contacts
Relay and status LED do not
respond to signal Check:
1.
Relay action in Setup menu
2. Set and reset points
Flashing relay status LEDs Relays in manual control mode or relay
interlock switches opened.
Meter not communicating with ap-
plication programs Check:
1.
Serial adapter and cable
2. Serial settings
3. Meter address and baud rate
If the display locks up or the meter
does not respond at all Cycle the power to reboot the
microprocessor.
Other symptoms not described
above Call Technical Support for
assistance.