Mercury outboard oil warning alarm

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Mercury outboard oil warning alarm

Post by davet. Toggle search. Toggle navigation. Bass Fishing Forum - Westernbass. Quick links. I've heard secondhand that a Merc technician said it's fairly common, even on brand new motors. Alarms go on and stay on even if there's no overheating or low oil. The oil sensor light goes off just about everytime I fish. Some more than others. It is always the low oil sensor that beeps and flashes instead of the constant buzz and light for overheating.

I dont have the money to have a tech check it out and the few mechanics I've spoken with have given me different answers. If you get a definate straight answer on this I will be stoked. The cork is originally resin coated but deteriorates with time.

CDI 144-4857-16 Mercury Mariner Oil Warning Module

Mine would do it if you cranked a hard turn, or it was real rough and I was bouncing around. It takes someone with the meter about a minute to check this out. Thanks for the info If you look at the cap on the reserve on the motor there are 2 wires coming out of the cap, if they're twisted, that is probably the problem. You can probably go to any auto parts store and have them put a meter on it, twist the wires and see what happens. You can order one online and even I could put it on.

Mine only beep when that reserve would get low because the wires would short out, all I had to do was fill it up took very little as it lets you know as soon as oil starts getting used from it and I was good to go. The guy who finally figured it out for me said most of the time they beep thats the problem. Good luck. It was alarming Low Oil whenever I was idling.

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Tech at Gone Fishin Marine said the motor was still getting oil and the level was fine. Replaced the tank and the sensor and everything is back to normal. Re: Mercury alarm problems Post by davet. Everything seemed normal on the instruments, so just before the last trip I checked the oil reservoir, it looked ok. The wires to the cap were twisted, so I counter twisted them before I screwed it back on. Ran it yesterday, no more beeps at all. Now I should probably pull the cap and check continuity with a meter while sliding the float up and down to make sure it works at all.

It still might have a broken wire and I don't know if the switch is normally open or normally closed. My alarm goes off in 5 minutes if i bump the speed up from say 5- 15 it shuts me down. I put it in nuetral then go faster say 20 and it's ok. Need help i have no in between speeds.

Have to replace the resevoir and the sensor at the same time. Jump to. About Westernbass.The outboard warning system incorporates a warning horn inside the boat. The warning horn may be located inside the remote control or connected to the ignition key switch. The warning horn will emit either a continuous beep or intermittent short beeps. This will alert the operator and help identify the following listed situations.

For visual display of the specific engine functions and for additional engine data, refer to SmartCraft Product information, following. Warning Horn. Start Up. One Beep. Normal System Test. Low Oil Reserve …Read More. Four Beeps every 2 Minutes. Oil lever is low in the engine mounted oil reservoir. Refill the engine mounted oil reservoir along with the remote oil tank. Water in Fuel.

Water in the water separating fuel filter reaches the full level. Water can be removed from the filter. Refer to Maintenance — Fuel System for filter removal. Cooling System Problem.

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Engine Guardian System is activated. Power limit will vary with level of overheat. Shift outboard into neutral and check for a steady stream of water coming out of the water pump indicator hole.

If no water is coming out of the water pump indicator hole or flow is intermittent, stop engine and check water intake holes for obstruction. Moving throttle lever back to idle resets the system. Oil Level is Critically Low. Power will be limited. The oil level is critically low in the engine mounted oil reservoir. Oil Pump Failure. The warning horn is activated if the oil pump should ever stop functioning electrically.

No lubricating oil is being supplied to the engine. Engine Overspeed. The warning horn is activated any time engine speed exceeds the maximum allowable RPM. The system will limit the engine speed to within the allowable range. Engine overspeed indicates a condition that should be corrected. Overspeed could be caused by incorrect propeller pitch, engine height, trim angle, etc. Sensor out of Range.

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Intermittent Beep. The Engine Guardian System monitors the critical sensors on the engine for any early indications of problems. If Guardian System has been activated, reduce throttle speed. The horn will turn off when throttle speed is within the allowable limit. Consult your dealer for assistance.Your question may be answered by sellers, manufacturers, or customers who purchased this item, who are all part of the Amazon community. Please make sure that you are posting in the form of a question.

Please enter a question. New aftermarket low oil warning control module, it meets of exceeds all manufacturer's specifications. NOTE: Please verify the part number you need matches the entire number including the "A" suffix number at the end of the part number. Matching the correct part number including the "A" suffix number is critical for proper fitment. Skip to main content. Only 10 left in stock - order soon. Add to Cart. Secure transaction. Your transaction is secure.

We work hard to protect your security and privacy. Our payment security system encrypts your information during transmission. Learn more. Please print a copy of the email for your records. Coverage and claim limits apply. See protection plan details below by clicking on the "Warranty"link. Plan provides coverage for replacement of covered parts.

Labor costs are not covered. If a covered part cannot be replaced, you will be reimbursed with an Amazon gift card for up to the amount of your original product purchase price. Add No Thanks. Other Sellers on Amazon. Sold by: BMR-Parts.Why will not the low oil alarm go off after I added oil to my Mercury outboard 90 hp?

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Please help me. Tags : 90addedalarmHPlowMercuryoiloutboardwont. There is possibility that the alarm module itself has been defective or there might be defect in its wiring.

So First you need to check all the wiring and cable which are connected with the sensors and other parts. This might be very helpful in solving the problem.

The problem of faulty alarm module is commonly found among the Mercury motors. There are many complaints by the users of Mercury motors. I also came through same kind of problem few days ago. You can fix the problem by replacing wire to the horn for solving this particular problem or by replacing the sensor that measure the oil level in the motors. There might be problem in it sensor as well.

You can identify the main cause of problem by disconnecting the various sensors which are installed there and by monitoring the sound of alert beeps. The magnet on the oil tank float might be loose or it may drop to the bottom of the post.

mercury outboard oil warning alarm

The alarm must be on constant but the reed switch located on the bottom of the tank was not working correctly and unable to make contact. If you cannot solve it yourself then you should consult it with your mechanic. He might help you to overcome your Mercury Outboard problem.

Latest activity: 8 years, 11 month s ago. This question has been viewed times and has 2 answers. Live Help Exchange. Question: Why won't the low oil alarm go off after I added oil to my Mercury outboard 90 hp? Get alerts when some one else answer on this question. Follow Question. Enter some text. Get alert when someone else answer this question Invalid email.

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How to Troubleshoot a Yamaha Outboard Alarm

Similar Questions. Share your knowledge and help people by answering questions. Register Now.The Yamaha outboard alarm system can fail just like any other system on your outboard. Troubleshooting the alarm system includes making sure the horn associated with the alarm works, making sure the warning light comes on and the horn sounds when the oil level drops below acceptable levels and ensuring the warning sounds if the engine overheats.

You can even perform the alarm system tests while you are boating. Turn the ignition key to the start position and pull the safety lanyard. If the horn is operative, it will sound. Disconnect the pink lead and black lead from the temperature warning sensor on the powerhead. Plug the black lead into the socket for the pink lead. The temperature warning icon should flash and the horn should sound. Place a clean container large enough to hold the contents of the engine's oil reservoir below the oil reservoir.

Remove the glass sight tube from the oil reservoir and drain the reservoir into the container. Start the engine. When the oil goes below the "Add Oil" level, the alarm should sound. Turn the engine off when the alarm sounds, to avoid operating the engine with low oil. Will Charpentier is a writer who specializes in boating and maritime subjects.

A retired ship captain, Charpentier holds a doctorate in applied ocean science and engineering. He is also a certified marine technician and the author of a popular text on writing local history.

Related How to Adjust a Roketa Carburetor. Items you will need Clean container. Step 1 Turn the ignition key to the start position and pull the safety lanyard. About the Author.The warning module of a Mariner outboard engine samples the engine temperature and oil level of the motor, the function of the engine overheating sensor, the ignition control module and the engine control module.

Many of the operations conducted to troubleshoot the warning module are as simple as testing its reporting capabilities with a digital multimeter to ensure that they all work, and that there are no short or open circuits in the module. Ensure the boat's remote control is the one specified for the motor. You can find the information for the remote control unit for the motor in the operator's manual. Disconnect the tan and blue lead from the wiring harness at its terminal on the engine block and touch the lead to the engine block.

Turn the key switch to the "on" position. If the warning horn does not sound, ensure that all leads between the warning module and the electronic control module are firmly connected. Turn the selector of a digital multimeter to the "diode test" or "continuity test" position, usually the last position on the right.

Turn the multimeter on and touch the red multimeter probe to the tan-and-blue wire on the warning module horn and the black probe to the engine block, to test for continuity. If the circuit has continuity, that is, its resistance is less than ohms, replace the ECM. Suspect the engine overheating sensor is faulty if the engine is not overheating, but the overheating warning is operating continuously. Disconnect the sensor and turn the key switch "On.

Turn the key switch on. If the engine overheat warning does not activate when you turn the key switch to the "On" position, replace the sensor as well. Disconnect the two sensor leads from the terminal connectors located in the engine oil filler cap if a low oil warning light comes on.

Put the red probe of the multimeter on one lead and the black probe on the other. There should be no continuity across the cap.

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If there is continuity, replace the filler cap. Will Charpentier is a writer who specializes in boating and maritime subjects. A retired ship captain, Charpentier holds a doctorate in applied ocean science and engineering.

How to Troubleshoot a Yamaha Outboard Alarm

He is also a certified marine technician and the author of a popular text on writing local history. Items you will need Digital multimeter. Step 1 Ensure the boat's remote control is the one specified for the motor. About the Author.I got on plane and it stopped.

We stopped, fished, and it did the same thing. Once again I got on plane, and it stopped. I checked oil level; it was more than sufficient. The temperature of the motor was well within range.

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We started working our way back [toward the dock] out of concern [about the motor and its alarm], but we stopped one more place. Got into the fish some good and stayed there for two hours, which I didn't mind so I could see if [the alarm was being caused by a] a temperature [problem].

mercury outboard oil warning alarm

I started motor and the alarm came on instantly. I got on plane and [the alarm] didn't shut off. I took it easy and we ran into the dock.

Mercury Marine Smartcraft and Guardian System Warning Horn Alarms

I have now gotten [the boat and motor] home, added oil in the reservoir just as a precaution. Once again, the second I started it, an alarm came on and stayed on. What gives? I have read my manual and asked around with no success. So here I am. I was fishing in Delecroix, Louisiana. This will save you from destroying your motor by running it without oil while looking for the cause of the alarm.

The owner's manual of almost every outboard will contain information about how to interpret alarm signals. I do not have the owner's manual for your outboard.

mercury outboard oil warning alarm

You also neglect to mention the model and horsepower. In general I have found that the literature published by Mercury about their outboard motors is quite good, and it will explain in detail how your motor works and how to interpret any alarm conditions it gives you. If your Mercury outboard has an alarm system which is similar to the one described for a c. The alarm module is somewhat limited in its ability to pass information to the owner.

It only has an aural signal. It modulates the cadence of the aural signal to indicate the function. There are only three possible cadences. When the key is turned from OFF to ON, the alarm sounds a signal to verify that it is operating properly.

This signal sounds like a Morse code letter D or B, i. If the module does not sound this signal it is malfunctioning. After engine start, the alarm goes silent until there is an alarm condition. If the engine temperature rises above the threshold of the thermal switch in the cylinder head, the switch closes. This causes a continuous tone alarm which persists until the temperature falls enough for the switch to open. This ends the alarm tone. Any of the following conditions will signal a BEEP-BEEP-BEEP: --oil level below the float switch level in the under-cowling reservoir --input gear shaft to mixing pump turning too slow in relation to engine speed There is no way to tell which of these events causes an alarm.

You have to deduce which is the problem by inspecting the motor. It is also possible that any of the following conditions will also signal a BEEP-BEEP-BEEP: --defective float switch in the under cowling reservoir --defective motion sensor in the mixing pump --defective ignition module sending false signal --defective alarm module creating false signal If you want to diagnose this problem further, you will need to obtain the service manual for you engine.

mercury outboard oil warning alarm

Thoroughly read the service manual. It will cover the oiling system and alarm system in detail.


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