34
Error display
“OK” appears for normal memory IC test. For fault NG (No
Good) and asterisk (*) appear next to ROM/RAM number.
Table 3 Error number display and meaning
Error
number
Reason
Circuit board
to check
000
Input voltage
JCPA, JIFA
001
Overheated transducer element
JLGA, JCPA, JIFA*
002
Abnormal Tx B voltage
STXA, UPW, JCPA
003
Tx voltage of beam 1
JCPA, STXA
004
Tx voltage of beam 2
JCPA, STXA
005
Tx voltage of beam 3
JCPA, STXA
006
Tx current of beam 1
JCPA, STXA
007
Tx current of beam 2
JCPA, STXA
008
Tx current of beam 3
JCPA, STXA
100
External position data
JCPA, JIFA
101
External speed data
JCPA, JIFA
102
External time data
JCPA, JIFA
103
External depth data
JCPA, JIFA
104
Heading data
JCPA, JIFA
105
Heading error angle
JCPA, JIFA
106
Water temperature data
JCPA, JIFA
200
External KP input interval
JCPA, JIFA, abnormal external KP
interval
201
Depth sensor input
JLGA, JCPA, JIFA,
faulty temperature sensor
202
Inclinometer roll signal
JCPA, JIFA, no inclinometer data
203
Inclinometer pitch signal
JCPA, JIFA, no inclinometer data
* Abnormally high Tx voltage, abnormally low transducer
impedance, too high Tx duty, faulty temperature sensor (faulty
element), high water temperature, and other factors may also
cause this error display.