Sperry Marine NAVIGAT 100, Operation, Installation And Service Manual

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056373/D NAVIGAT 100
3-18 Alerts / check
838 A ENC. COMM FAIL
GYRO Encoder com-
munication
failed • Restart sys-
tem
• Perform
baseplate
test
• Call Sperry
Marine ser-
vice to
exchange
baseplate if
error persists
842 A BASEPLATE
GYRO Baseplate test
during system
start failed • Restart sys-
tem
• Call Sperry
Marine ser-
vice to
exchange
baseplate if
error persists
846 W CALIBRATION
GYRO Bridge voltage
calibration
faulty Replace optical
pick-off PCBs
850 W BV-SAMPLE RANGE
GYRO Bridge voltage
in warning
range during
calibration • Restart sys-
tem
• If error per-
sists, call
Sperry
Marine ser-
vice to
exchange the
optical pick
offs of the
gyrosphere
container
(mod. 10/3)
854 W ANNUAL OVERHAUL
GYRO Operation time
counter limit
reached Apply gyro-
sphere mainte-
nance
862 A OPTICAL SAMPLE
GYRO No connection
to Mod. 10/4
Gyro optical
sampling Check Mod. 10/4
container
866 W MANUAL TURN
MODE
GYRO S-4 GYRO DIP-
Switch set. Correct GYRO ID
DIP-Switch set-
tings
Alert
ID Alert
Type Alert Text Cause Corrective
Action