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WT “FF.F” Wind speed error in the telegram (for ex. Ultrasonic).
WD “FFF” Wind direction error in the telegram (for ex. Ultrasonic).
Check transmitted protocol (error „a“ appears twice in telegram).
E17 VDT protocol
No reception from ultrasonic
- check connection (RS485 half-duplex).
E20 *
COM 3
Timeout
Timeout, no reception.
E21 * COM 3 error 1.Check Baud rate settings.
2.Check R422 connections/lines Rx+ & Rx-.
E22 * LOG error
No valid velocity values available in telegram.
E23 **
COM 2
Timeout
Timeout, no reception.
COM 2 error 1.Check Baud rate settings.
2.Check R422 connections/lines Rx+ & Rx-.
(heading)
No valid heading values available in telegram.
Check protocol(s).
Syntax error Device faulty: Restart, if necessary.
E99 Watchdog
Temporary interference, if a nonrecurring error message appears
for 3sec.
If error message appears frequently, device faulty.
Table 4: Error message
* These errors are output only when the display is set to “True” (see chapter 9 MODE
2-TRUE)
** These errors are output only when the display is set to reference “North” (see chapter 9
MODE-1)