93
Model BD306 Dual-Input Pump Controller Instruction Manual
Symptom
Check/Action
No display at all
Check power at power connector
Not able to change setup or programming,
Locd
is displayed
Meter is password-protected, enter correct six-digit
password to unlock
Meter displays error message during calibra-
tion (
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. Signal input conditional 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 application
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.
9.3.
Troubleshooting Tips
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Содержание BD306
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