Troubleshooting
The bilge system is among the most important systems in the boat.  
Attention should always be paid to proper operation.
•  If the boat does not automatically pump water out of the system 
when the ignition key is ON, verify that the bilge switch is set to 
automatic.
•  If it is set to automatic but still is not pumping when there is evi-
dence of water in the bilge, turn the pumps on manually using the 
on-screen button. Follow the instructions above and do not leave 
the switch turned to manual after water is evacuated.
•  If the bilge pump(s) still does not work when turned to manual, 
check the circuit breaker panel to ensure that electricity is mov-
ing between the switch and the pump. If the circuit breaker, which 
is marked, has tripped, reset it to ON.
•  If the bilge pump(s) still does not work, it may be evidence of de-
bris in the system or failure of the pump’s impeller, which must be 
replaced on a regular basis as detailed in the Care and Mainte-
nance section of this Owner’s Manual. This is a serious concern. 
The bilge system keeps the boat from filling with excess water 
that may cause imbalance in the boat’s trim. Under the worst 
possible conditions, the boat can sink. If the system fails while on 
a body of water, return to shore IMMEDIATELY! Have all people 
on-board put on PFDs (personal flotation devices). Signal for 
emergency help. If persons on-board have working cell phones, 
contact help. After returning to shore, take the boat to an autho-
rized MasterCraft dealer as soon as possible for repairs and do 
not use the boat again until it has been properly repaired.
An inoperable bilge system can result in the boat taking on 
excessive amounts of water, resulting in significant damage 
to the boat, even sinking. Persons on board should wear PFDs 
and be prepared to abandon ship if the boat is on an outing. 
Operators should signal for emergency help and return to shore 
IMMEDIATELY and have the boat repaired. Failure to follow 
instructions can result in serious injury or death.
2021MCOwnerManualFINAL.indd   231 8/26/20   1:52 PM