71
Unit fails to respond to HART
®
handheld device
Incorrect connection 1. Check that the HART
®
handheld device is
connected properly.
Incorrect Device Description le 1. Check that the correct Device Description le is
loaded and selected.
HART
®
option not tted 1. Check that the unit has the optional HART
®
communications tted (part number ends in H)
Battery failed 1. Check the battery in the HART
®
handheld device.
2. If necessary replace the battery (see manufacturer’s
instructions)
Unit is in FAULT condition and the
output is less than 1 mA
1. HART
®
communications will not function when the
output current is less than 1 mA.
2. Congure the unit to output 1 mA when in Fault
(see Commissioning, Congure HART
®
Operation
during Fault)
Note:Itmaybenecessarytore-cyclethe
power to the unit, and change the setting
during the 60 s warm up period while the unit
is in Inhibit.
HART
®
handheld device is polling
for a value that is not set
1. HART
®
hosts typically poll Device Address, Device
Tag, Transmitter ID or Unique Device ID to locate a eld
device.
2. Change the setting to use Device Address (this is
always set in the unit).
4-20 mA Loop Calibration was
aborted, now stuck in a timeout
(HART
®
units)
There is a timeout of 10 minutes
before the calibration can be
re-started
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.
Password for Level 1 access has
been lost (HART
®
units)
Some handheld devices hold a
default password, which could be
set in error
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 Conguration and Change
Password to set the password to a known value.
5. If the above was not successful, please contact
Honeywell Analytics.
14. Problem Solving
To Next Page
Loading...
