USER'S GUIDE ____________________________________________________________________
74 ___________________________________________________________________ M211187EN-C
The total amount of characters in the message is 43. The transmission
times are: 1.5 s at 300 bps (10-bit char), 0.19 s at 2400 bps, 0.05 s at
9600 bps.
Alarm Status Codes
The alarm status codes are listed in Table 11 below.
Table 11 Alarm Status Codes
measurement value still valid
-Window contamination increased
-Transmitter LED aging
-Backup battery voltage low
Error (visibility measurement
value NOT shown, replaced
-Memory error
Alarm (visibility measurement
value NOT shown, replaced
with /////)
-Communication error in the sensor
-Internal monitoring alarm value
exceeded
-Measurement signal saturated or
outside valid range
-Surface temperature
Indication of some abnormal
situation (measurement value
valid and shown)
-AC (mains) off, operating on
battery
-12 VDC output in short-circuit
-Hood or dew heater problem
NO alarm or warning
(alarm is OFF)