Honeywell Searchpoint Optima Plus Operating Instructions Manual page 71

MAN0905_Issue 7_07/17
Unit fails to respond to HART
handheld device
4-20 mA Loop Calibration was
aborted, now stuck in a timeout
(HART units)
®
Password for Level 1 access has
been lost (HART ® units)
14. Problem Solving
Incorrect connection
®
Incorrect Device Description file
HART option not fitted
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Battery failed
Unit is in FAULT condition and the
output is less than 1 mA
HART handheld device is polling
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for a value that is not set
There is a timeout of 10 minutes
before the calibration can be
re-started
Some handheld devices hold a
default password, which could be
set in error
Searchpoint Optima Plus with optional HART
1. Check that the HART
connected properly.
1. Check that the correct Device Description file is
loaded and selected.
1. Check that the unit has the optional HART
communications fitted (part number ends in H)
1. Check the battery in the HART
2. If necessary replace the battery (see manufacturer's
instructions)
1. HART communications will not function when the
®
output current is less than 1 mA.
2. Configure the unit to output 1 mA when in Fault
(see Commissioning, Configure HART
during Fault)
Note: It may be necessary to re-cycle the
power to the unit, and change the setting
during the 60 s warm up period while the unit
is in Inhibit.
1. HART hosts typically poll Device Address, Device
®
Tag, Transmitter ID or Unique Device ID to locate a field
device.
2. Change the setting to use Device Address (this is
always set in the unit).
1. To work around the timeout delay, select mA Loop
Test from the Test menu.
2. Set the 4-20 mA to 4 mA.
3. Select End.
4. The mA Loop Calibration can now be re-started.
1. Re-start the handheld device.
2. From the Device Setup menu, select User Login and
Level 1.
3. At the password entry screen, do not type anything,
and press Enter immediately (use the default password
from the handheld device).
4. If successful, select User Configuration and Change
Password to set the password to a known value.
5. If the above was not successful, please contact
Honeywell Analytics.
71
output
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Operating Instructions
2108M0550
handheld device is
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handheld device.
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Operation
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