Clear Faults Or Warnings; Fix The 4-20 Ma Output - Honeywell Searchpoint Optima Plus Operating Instructions Manual

MAN0905_Issue 7_07/17 Searchpoint Optima Plus with optional HART output
®
Operating Instructions
2108M0550
9. Commissioning using SHC1
Handheld Interrogator
Note: If the output reverts to 3 mA or < 1 mA, a Warning or Fault is present. Follow the instructions below to
investigate and clear a warning or fault (see Clear Faults or Warnings).
Searchpoint Optima Plus is factory calibrated and it is not necessary to calibrate or gas test it during
commissioning. However if local regulations or site practices require that a gas test is done to check that
the unit is functioning, please see Chapter 10 Maintenance, Bump Test for instructions.

9.3 Clear Faults or Warnings

During commissioning, faults or warnings may be generated. This will be indicated by the 4-20 mA output
signal. Use the procedure below to clear them.
1. Select Diagnose then Active Faults, or Diagnose then Active Warnings to view any faults or warnings.
Note: If no active faults or warnings are present, the 4-20 mA output signal may have latched due to an
earlier fault or warning that has now cleared. Proceed to step 3 to clear latched faults or warnings.
2. Use the Problem Solving section of this manual to rectify the issue.
3. Select Diagnose then Soft Reset to clear any latched warnings or faults.
Note: If any configuration changes have been made, wait 15 seconds before doing a soft reset or cycling
the power.
4. Press Escape to return to the main menu.

9.4 Fix the 4-20 mA Output

The 4-20 mA output can be set to a fixed value between 1 mA and 21 mA, which can be used to calibrate
the controller or to test the system.
Note: This function will timeout after 10 minutes of inactivity.
Note: When connecting or disconnecting a multimeter, power off the Searchpoint Optima Plus, otherwise
the unit will indicate a latched warning that the 4-20 mA loop was broken. If this occurs it can be cleared
using the SHC1 Handheld Interrogator. See Clear Faults or Warnings.
1. Select Calibrate then Force 4-20.
to set the required mA value and press Enter.
2. Use and
Searchpoint Optima Plus will now output the set mA value.
3. When calibration is complete, press Enter.
4. Press Enter to release the 4-20 mA output signal.
5. Press Escape to return to the main menu.
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