Norac UC4+ - Page 55

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.