Stryker Neptune 2 - Page 158

System Number Error Possible Cause Trouble Shooting
DOCKING
3.0
Docker
communication
error
- Rover main control board bad
- Rover IR board bad
- Docker IR board bad
- Wiring harness bad
Problem is most likely due to IR
communication failure. Check
IR to make sure it is connected
properly and is not obstructed.
If a component has failed you
will most likely receive a
"Docker not Ready" fault as
well.
3.1
Coupling
Extend
Timeout
- Diverter valve failed
- Extend hall sensor failed
- Physical obstruction in the waste
couplers
- Manually fill water in large
tank to verify diverter is
switching properly (using dock
control)
- Refer to procedure 6.8
Manually Raising and
Lowering Docker Coupler on
page 6-43 to verify proper hall
sensor operation.
- Check for obstruction in
waste coupler
3.2
Coupling
Retract
Timeout
- Retract hall sensor bad
- Stepper motor failed or mounting
hardware loose
- Verify stepper motor is
mounted properly.
- Replace the retract hall
sensor.
3.3
Offload error -
small tank
- Fluid is not offloading due to clog.
- Something preventing float from
reaching the bottom of tank.
- Small canister calibration board
damaged.
- Level transducer damaged.
- Calibration is incorrect.
- Verify that something is not
blocking the drain valve from
emptying.
- Verify nothing is underneath
the float.
- Recalibrate the canister.
- Replace small tank float
sensor
- Replace small canister
- Replace fluid level
transducer
3.4
Offload error -
large tank
- Calibration is incorrect
- Clog or obstruction in the large
canister
- Offload pump not running
- Recalibrate large canister
- Check for and remove clog
or obstruction
- Check for proper voltage at
offload pump
3.5
Prefill error -
small tank
- Calibration is incorrect;
- Water has been shut off
- Recalibrate
- Turn water on
3.6
Prefill error -
large tank
- Calibration is incorrect;
- Water has been shut off
- Recalibrate
- Turn water on
3.7
Extend /
Retract Sensor
Error
- Water on the sensors.
- Faulty sensors.
- Faulty docker control board
- Faulty wiring harness
- Ensure sensors are not wet.
- Replace sensors.
- Replace docker control
board.
- Check wiring harness.
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