Simrad SAL R1a Easy Tank - 5.1.2 STW Alert Codes Details; STW Alerts 350-352: Noise, PCB Fail, Bad TRU; STW Alerts 353-355: No TRU, Signal Balance, Mute;HW

SAL R1a Easy Tank User Manual No. 703852
703852A04, SIMRAD SAL R1a Easy Tank User Manual.docx 23 (25)
Alert
Display text
Note
353
STW No TRU
Alert if transducer seems to be missing. Indicates problem with
transducer or transducer connection. It can take more than 1
minute for the alert to be raised or cleared.
This Alert is not shown on the SD4 if the software used in
WTU-Assy is 5400130A04, only on the WTU COM port.
Action
 Verify TRU connections and reconnect if faulty.
 Replace TRU.
354
STW Signal
Balance
Alert if signal balance, i.e. the difference in signal strength
between channels is too large. The signal balance can be read in
real time using menu T3.1. Indicates problem with transducer or
transducer connection. It can take more than 1 minute for the
alert to be raised or cleared.
This Alert is not shown on the SD4 if the software used in
WTU-Assy is 5400130A04, only on the WTU COM port.
Action
 Verify TRU connections and reconnect if faulty.
 Verify TRU mounting in e.g. sea valve.
 Replace TRU.
355
STW Mute or
HW
Alert if internal PCB FPGA fails or a SOG log mutes the WTU.
It can take more than 1 minute for the alert to be raised or
cleared.
This Alert is not shown on the SD4 if the software used in
WTU-Assy is 5400130A04, only on the WTU COM port.
Action
 Reboot the ELC (power Off -> On)
 Replace WTU - Assy. or ELC.