Seakeeper 8000 GYRO, Operation Manual

Page: 33 / 49

OPERATION
MANUAL
Product: Document #: Rev: Page:
MODEL 8000 GYRO 90141 3 5 of 11
Section 3: POWER FAILURES, ALARMS, AND TROUBLESHOOTING
Display
Indication
Description Reset condition Troubleshooting
ALARM 33
MOTOR
FAULT
Flywheel not
spinning when RUN
commanded.
Motor off for 1 minute
1) Verify boat's AC breaker supplying power to the
Gyro is on.
2) Refer to Seakeeper Drawing 90149 Cable Block
Diagram & check for AC power.
3) Check connectors on Motor Drive Box.
ALARM 35
DISPLAY
FAULT
Display not
communicating with
Control Box
Display operational for 1
minute
Refer to Seakeeper Drawing 90149 Cable Block
Diagram & check Display connector on Serial Comms
Connection Box.
ALARM 36
MOTOR
OVERSPEED
Motor speed is over
5.6 KRPM.
Motor speed below 5.6
KRPM.
1) Check connectors on Motor Drive Box and Gyro
Control Box.
2) Contact Seakeeper distributor for service.
ALARM 37
GYRO
TRAVEL
FAULT
Gyro angular rate
high near
mechanical stop
(none)
1) 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.
2) Inspect the brake system, including electrical,
mechanical and hydraulic connections.
ALARM 38
GYRO
MOTION
FAULT
Gyro angular rate
more than 150
degrees per second
(none)
1) 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.
2) Inspect the brake system, including electrical,
mechanical and hydraulic connections.
ALARM 40
INPUT
POWER
HIGH
DC power to Control
Box above 32V
DC power between 17V
and 32V
Verify DC input power is between 17V and 32V;
excessive load
ALARM 41
INPUT
POWER
LOW
DC power to Control
Box below 17V
DC power between 17V
and 32V
Verify DC input power is between 17V and 32V;
excessive load
ALARM 42
CONTROL
POWER
HIGH
DC power to brake
and coolant pump
above 32V
DC control power
between 17V and 32V
Verify DC input power is between 17V and 32V;
excessive load
ALARM 43
CONTROL
POWER
HIGH
DC power to brake
and coolant pump
below 17V
DC control power
between 17V and 32V
Verify DC input power is between 17V and 32V;
excessive load
ALARM 44
SENSOR
POWER
HIGH
DC power from
Control Box to Gyro
Angle Sensor and
Motor Drive Box
above 5.25 V.
DC power from Control
Box to between 4.75 V
and 5.25 V.
Inspect gyro angle sensor for damage
ALARM 45
SENSOR
POWER
LOW
DC power from
Control Box to Gyro
Angle Sensor and
Motor Drive Box
below 4.75 V.
DC power from Control
Box to between 4.75 V
and 5.25 V.
Inspect gyro angle sensor for damage