Stryker Neptune 2 - Page 160

System Number Error Possible Cause Trouble Shooting
EMPTY
TANK
4.0
High volume
error
N/A - Dock the rover
4.1
High vacuum
error
- Vacuum regulator may be clogged
- Power distribution board failed
- Verify vacuum regulator is not
plugged at exhaust port.
- Replace power distribution
board
- Replace vacuum regulator
4.2 Valve error
- Something stuck in drain valve
- Drain valve bad
- Power distribution board bad
- Bad wiring harness to drain valve
motor
- Try to manually turn valve with a
wrench to verify that it turns.
- Replace drain valve
- Replace power distribution
board
- Check for proper voltage at wire
harness
4.3 Empty timeout N/A
- Set suction to 21 in/Hg on both
tanks and try to perform a tank
dump.
4.4 Prefill timeout
- Prefill pump is not running
- Fluid level transducer not functioning
- Faulty power distribution board
- Prefill tank is empty
- Verify proper operating voltage
for prefill pump.
- Replace rover power distribution
board.
- Dock the rover
4.5 Prefill Empty N/A - Dock the rover
FILTER
5.0
HEPA Filter
Life
N/A
- Replace filter and reset hours in
the system settings menu.
5.1
Smoke Filter
Life
N/A
- Replace filter and reset hours in
the system settings menu.
VALVE
6.0
Drain valve
timeout
- Something stuck in drain valve
- Drain valve bad
- Power distribution board bad
- Bad wiring harness to drain valve
motor
- Try to manually turn valve with a
wrench to verify that it turns.
- Replace drain valve
- Replace power distribution
board
- Check for proper voltage at wire
harness
6.1
Valve comm
error
- Wiring harness bad between power
distribution board and main control
board.
- Power distribution board bad
- Main control board failed
- Ohm check wiring harness
- Replace power distribution
board
- Replace main control board
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