Simrad SAL R1a Easy Tank - 5.1 Alert Codes; 5.1.1 Alert Mode Functionality; 5.1.2 STW Alerts (300-399)

SAL R1a Easy Tank User Manual No. 703852
703852A04, SIMRAD SAL R1a Easy Tank User Manual.docx 22 (25)
5.1 Alert codes
5.1.1 The Alert mode on the SD4 display is intended as support
for service purposes and trouble-shooting of the SAL
speed log system. Following is a list of Alert codes that
may occur on a SAL R1a system.
5.1.2 Alert codes 300 to 399, Speed Through the Water
Alert
Display text
Note
301
STW
simulation
Alert raised if simulation mode is
activated from the WTU Menu T0 TEST.
350
STW Noise
level
Alert is raised if background noise level is too high. The noise
levels can be read using menu T2.1 (real time forced noise test)
or menu V2 (last measuring sequence)
Indicates problem with transducer connection / wiring or
disturbance from external equipment. 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 that the TRU cable braid is
connected in the ELC cable gland, reconnect if faulty.
 Verify that the ELC ground bolt is connected correctly.
 Verify that TRU cable isn’t clamped to or paralleled with
high power cables. Release if necessary.
351
STW PCB
Fail
Alert if internal PCB loop test fails. The loop test values can be
read in real time using menu T4.1. It can take more than 1
minute for the alert to be raised or cleared.
Action
 Replace WTU - Assy. or ELC.
352
STW Bad TRU
Alert if transducer seems broken. 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.