Hydro
Tab
Marine Engineering
Troubleshooting
Moby Controller is
ON but flaps do not
operate on manual
Moby Controller is
ON but flaps do not
operate on manual
Go to System
Information.
Do you notice N2K
error and Temperature
Offline?
1) Open the air unit.
2) When buttons ↑↓←→
are pressed, do you
notice the red lights on
the PCB on?
1) Is there power supply
to the air unit?
2) Are the fuses ok?
3) Does the PCB has
power supply?
Use a jumper wire
between COM and
LDRU, RDLU,DN,UP.
Do you notice relevant
red lights on?
1) Reset or replace the fuses.
2) Check the wires which are
connected to PCB and
transformer.
3) Replace the transformer.
When the red lights are
on, does the compressor
work?
Replace air unit PCB.
When the red lights are
on, do the relevant
solenoids operate?
1) Check for replacement the
compressor relay and 20A
fuses.
2) The compressor is burned.
Yes
No
Do you get the
relevant output?
No
Yes
Yes
No
Yes
No
Yes
No
Burned solenoid or
pilot.
Air leakage by faulty
flap or air unit.
Yes
No
NMEA Network
communication failure
due to cabling or PCB
fault.
Yes
No
