Low Engine Oil Pressure; Battery Will Not Recharge; Joystick; Electronic Remote Controls - Mercury MerCruiser Axius 350 MAG User Manual

Section 7 - Troubleshooting

Low Engine Oil Pressure

Possible Cause
Insufficient oil in crankcase.
Excessive oil in crankcase (causing it to
become aerated).
Diluted or improper viscosity oil.

Battery Will Not Recharge

Possible Cause
Excessive current draw from battery.
Alternator drive belt loose or in poor condition.
Unacceptable battery condition.
Loose or dirty electrical connections or damaged
wiring.
Faulty alternator

Joystick

The joystick does not control the boat.
Response to joystick input is erratic, or the joystick
operates independent of input.
The joystick does not function properly and a fault code
is set.
The joystick does not work; No fault code is set and
cruise control engaged.

Electronic Remote Controls

The ERC (electronic remote control) lever is too hard or
too easy to move out of neutral detent.
The ERC lever has too much or too little resistance
through its range of motion.
The ERC lever increases engine RPM, but does not
engage gears and the boat does not move.
Page 136
Check and add oil.
Check and remove required amount of oil. Check for cause of excessive oil
(improper filling).
Change oil and oil filter, using correct grade and viscosity oil. Determine cause
for dilution (excessive idling).
Symptom
Symptom
Turn off non‑essential accessories.
Replace and/or adjust.
Test battery, replace if necessary.
Check all associated electrical connections and wires (especially
battery cables). Clean and tighten faulty connections. Repair or replace
damaged wiring.
Test alternator output, replace if necessary.
One or both remote controls are not in neutral. Put both remote
controls in neutral.
One or both engines are not running. Start the engine or engines.
Ensure there are no radios or other sources of electronic or magnetic
interference near the joystick.
Check VesselView for Guardian fault codes that indicate reduced
engine power. If found, have the system checked by your authorized
Mercury MerCruiser dealer.
Disengage cruise control.
Adjust detent tension. See Section 2, Dual Handle Electronic
Remote Control with DTS Trackpad Features and Operation .
Adjust the handle tension screw. See Section 2, Dual Handle
Electronic Remote Control with DTS Trackpad Features and
Operation .
Key off and key on.
Check the "Throttle Only" button on the DTS trackpad. Put the ERC
levers in neutral and push the button to disengage, if the light is on.
Engage gears manually. See Section 3, Gear Engagement—
Emergency Procedure.
Contact your authorized Mercury MerCruiser dealer.
Remedy
Remedy
Remedy
Remedy
90-864197084 NOVEMBER 2008