52
a.
Sensor Zero Height setting is
incorrect.
a.
Follow 8.2.5 b).
"
-##
"
is displayed if the
sensor is reading a
height lower than -
25cm. It is commonly
mistaken as an error.
b.
Sensor is facing very strong
sonic targets (e.g. concrete).
b.
Follow 8.2.5 c).
↓
LO NoRdg
↓
Explanation
Possible Causes
Required Action
A sensor is not reading
correctly. Similar error
screens may replace the
"
LO
"
reading identifier
with
"
LI
"
,
"
ML
"
,
"
RI
"
,
etc.
This is a sensor issue.
* If this message is displayed
very briefly, it may not be a
problem.
Investigate the source of reading
error with the identified sensor.
Check that the sensor foil is clean.
↓
Minimum
↓
↓
Override
↓
Explanation
Possible Causes
Required Action
This message is
displayed when a target
height setpoint is lower
than allowed (minimum
height override).
Operator is proceeding to use
a lower target height setpoint
than allowed.
Adjust the boom height setpoint
greater than the minimum height
override (Section 4.2.5).
↓
Disabled
↓
Explanation
Possible Causes
Required Action
Access to System Setup
features (
Install
,
ReTune
) have been
locked out.
Access to these features was
disabled by installer to avoid
unintentional system changes.
Contact NORAC for instructions to
enable feature access.
↓
1 Absent
↓
Explanation
Possible Causes
Required Action
One of the configured
sensors was not found
during power up.
Sensor is not operating or is
not connected.
Follow 8.2.2.
↓
>>>>>>>>
↓
Explanation
Possible Causes
Required Action
The control panel is
busy with a task that
may take a few seconds.
Wait for the arrows to disappear
before activating any control panel
switches.