Instruction Manual
D104296X012
LCP200 Local Control Panel
August 2018
19
Instrument Troubleshooting
If difficulties are experienced with the LCP200 control panel, refer to table 6.
Table 6. Instrument Troubleshooting
Symptom Possible Cause Action
1. Lights are not lit. 1. LCP200 is not properly connected to the
digital valve controller aux. terminal.
1. Ensure that the LCP200 is connected correctly to the digital valve
controller aux. terminal, as described in the Installation section of this
manual.
2. LCP200 is properly connected to
the digital valve controller aux.
terminal, but the lights are not lit.
2. Power is not connected to the correct
terminals.
2. Ensure that the loop/24V power is landed at the appropriate
terminals.
3. The power wires are landed
correctly but the lights are not lit.
3. Loop Power option is selected, but there
is not enough current.
3. The Loop Power Option requires 8 mA current to operate. Ensure
that there is sufficient current.
4. The LCP200 and the digital valve
controller are properly connected,
and there is sufficient current but
the lights are not lit.
4. The LED may be damaged. 4. Replace LED. If possible take the LCP200 to bench mode and verify
that the LED does not light up when the corresponding button is
pressed.
5. Lights are blinking. 5. Valve is not at it's normal stop. 5. Check for proper calibration. Re‐run calibration if necessary.
6. Proper calibration but lights are
blinking.
6. Hi Hi / Lo Lo alerts settings not correctly
set.
6. Ensure that the Hi Hi / Lo Lo Alert settings are 99 and 1% respectively.
For large rotary valve, adjust settings to 98 and 2% and observe.
7. Button is pressed but expected
action does not occur.
7.Time requirements may not be met. 7. Ensure time requirements for the button press is met. If the problem
persists take the LCP200 into bench mode and press the the respective
button and verify that the relay contact changes state when the button
is pressed. Verify that the corresponding light is on solid.
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