Chapter 5: Maintenance and Problem Solving 53
Status LED
The LED on the unit front provides valuable information on the status of your
DSM25. The LED blinks green while the module is operating normally. If the unit
detects a problem, the LED blinks amber to indicate a warning or red for an error.
The number of times the LED blinks is a code representing the nature of the
problem. For multiple warnings/errors, the codes are given in sequence with a 1.5
second pause between strings.
The following table shows the various LED status codes and their meanings.
1
After 30 seconds of no network activity, the DSM25 enters Standby mode: No sonar pings
are emitted and no warnings are output on the LED. Instead, the LED blinks green once
every 10 seconds.
Color
No of
blinks Meaning
Cleared
every 10 min
W Amber 1 Transducer Sense Failure
A2
Network Not Detected
1
R 3 High Temperature Warning ✓
N4Reserved
I5Reserved
N6Reserved
G7Reserved
S 8 Watchdog Timeout Reboot ✓
Red 1 Unknown Error ✓
E 2 Battery Voltage Error ✓
R 3 High Temperature Error ✓
R 4 Flash Memory Failure
O5Reserved
R6Reserved
S7Reserved
8 Hardware Monitor Failure
81254.book Page 53 Monday, March 6, 2006 2:29 PM
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