8200-M129-O1 Rev D 205 Installation & Technical 63
TROUBLESHOOTING, CONT.
Diagnostic Test Mode
To Start Diagnostic Test Mode
1. Remove calibration access screw.
2. Press ON/OFF key to turn indicator ON.
3. Insert a small screwdriver or other tool into the access hole and press the CAL switch.
4. Display will change to SETUP.
5. Press UNITS/TEST key.
6. Display will change to tESt=.
7. Press TARE/ENTER key to show current test function value (which will be 0, test
feature off).
8. Using the UNITS/LEFT ARROW and /UP ARROW keys, enter test function value
and then press ENTER key.
4 = raw A/D readings
16 = display milliVolts
9. Display will change to SETUP.
10. Press /UP ARROW key to begin test.
11. Display will change to show test data.
To Change Diagnostic Test Mode
1. With indicator displaying test data, insert a small screwdriver or other tool into the
access hole and press the CAL switch.
2. Display will change to SETUP.
3. Press UNITS/TEST key.
4. Display will change to tESt=.
5. Press TARE/ENTER key to show current test function value.
6. Using the UNITS/LEFT ARROW and /UP ARROW keys, enter test function value and
then press ENTER key.
4 = raw A/D readings
16 = display milliVolts
7. Display will change to SETUP.
8. Press /UP ARROW key to begin test.
9. Display will change to show test data.
To Stop Diagnostic Test Mode
1. With indicator displaying test data, insert a small screwdriver or other tool into the
access hole and press the CAL switch.
2. Display will change to SETUP.
3. Press UNITS/TEST key.
4. Display will change to tESt=.
5. Press TARE/ENTER key to show current test function value.
6. Using the UNITS/LEFT ARROW and /UP ARROW keys, enter a 0 for the test
function value (0 = test feature off) and then press TARE/ENTER key.
7. Display will change to SETUP.
8. Press /UP ARROW key to stop test and reset indicator.
9. The indicator is now ready for normal operation.
IMPORTANT! Once Diagnostic Test Mode has been enabled, the indicator will
power on with TEST on the display. Operator must press TARE/ENTER key to
stay in Diagnostic Test Mode or press /UP ARROW key to disable Diagnostic
Test Mode.