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PD6210 Analog Input Batch Controller Instruction Manual
53
Troubleshooting Tips
Symptom
Check/Action
No display at all
Check power at power connector
Not able to change setup or
programming,
Locd
is displayed
Controller is password-protected, enter correct six-digit password
to unlock
Controller displays error
message during calibration
(
Error
)
Check:
1. Signal connections
2. Input selected in
Setup
menu
3. Minimum input span requirements
Controller displays
999999
-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
1. Signal input conditioning selected: Linear, square root, etc.
2. Scaling or calibration
Display does not respond to
input changes, reading a fixed
number
Check:
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.
Controller not communicating
with application programs
Check:
1. Serial adapter and cable
2. Serial settings
3. Controller address and baud rate
If the display locks up or the
controller does not respond at all
Cycle the power to reboot the
microprocessor.
Other symptoms not described
above
Call Technical Support for
assistance.
Note: Certain sequences of events can cause unexpected results. To solve these issues, it is best to start
fresh from factory defaults and map changes ahead of time, rather than at random.
