Seakeeper 8000 GYRO, Operation Manual

Page: 34 / 49

OPERATION
MANUAL
Product: Document #: Rev: Page:
MODEL 8000 GYRO 90141 3 6 of 11
Section 3: POWER FAILURES, ALARMS, AND TROUBLESHOOTING
Display
Indication
Description Reset condition Troubleshooting
ALARM 46
VALVE 1
CURRENT
HIGH
Two of the four
brake solenoid
valves are drawing
more than 2.5A
indicating a bad
connection or a bad
valve.
Brake solenoid current
draw less than 2.5 A.
1) Refer to Seakeeper Drawing 90149 Cable Block
Diagram & check connectors on Brake Solenoid Valves
and on Gyro Control Box.
2) Contact Seakeeper distributor for brake circuit parts
and service.
ALARM 47
VALVE 2
CURRENT
HIGH
Two of the four
brake solenoid
valves are drawing
more than 2.5A
indicating a bad
connection or a bad
valve.
Brake solenoid current
draw less than 2.5 A.
1) Refer to Seakeeper Drawing 90149 Cable Block
Diagram & check connectors on Brake Solenoid Valves
and on Gyro Control Box.
2) Contact Seakeeper distributor for brake circuit parts
and service.
ALARM 48
FAULTS ON
BEARINGS
1 & 2
'Bearing 1 Sensor
Fault' and 'Bearing 2
Sensor Fault'
Bearing 1 temperature
sensor working, or
bearing 2 temperature
sensor working, or both
sensors working
Refer to Seakeeper Drawing 90149 Cable Block
Diagram & check connector on Gyro Control Box
ALARM 49
FAULTS ON
BEARINGS
3 & 4
'Bearing 3 Sensor
Fault' and 'Bearing 4
Sensor Fault'
Bearing 3 temperature
sensor working, or
bearing 4 temperature
sensor working, or both
sensors working
Refer to Seakeeper Drawing 90149 Cable Block
Diagram & check connector on Gyro Control Box
ALARM 50
ANGLE
SENSOR
FAULT
Gyro angle reading
more than 64° from
center indicating
sensor
misalignment,
sensor damage, or a
bad connection.
Gyro angle reading
within 64° of center
1) Refer to Seakeeper Drawing 90149 Cable Block
Diagram and check sensor connector on Gyro Control
Box.
2) Refer to Seakeeper Drawing 90157 Model 8000
Gyro Assembly and Parts List under Port Side View and
confirm sensor is still firmly mounted to Gyro.
ALARM 51
SPEED
SENSOR
FAULT
Three sensors inside
the gyro are used
for speed
measurement and
motor operation.
One inoperable
sensor will cause
this alarm.
All three sensors
working or the flywheel
not spinning.
1) Refer to Seakeeper Drawing 90149 Cable Block
Diagram & check connector on Gyro Motor Drive Box.
2) Contact Seakeeper distributor for service.
MOTOR 53
ADJUST
FAULT
Adjustment to
motor settings while
motor running.
(none) Wait for gyro to coast to 0.0 krpm before restarting.
ALARM 54
DRIVE
START
FAULT
Drive runs briefly
than stops (3
occurrences in 1
minute).
(none) Wait for gyro to coast to 0.0 krpm before restarting.