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PIA code alarm

Old 07-21-2021, 05:49 PM
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Default PIA code alarm

Problem.

Had engines pulled and redone, ever since have had naging alarm codes, have had cleared yet still come back.

Alarm I get is ....... " Beep-Beep" "Beep-Beep" "Beep Beep"

Same deal over and over again, per book it is low gear lube which is not the case at all.

Any ideas??????????????????????????
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Old 07-21-2021, 06:53 PM
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What motor, serial number is best?
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Old 07-22-2021, 07:08 AM
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low oil pressure is the other reason for the beeps
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Old 07-22-2021, 07:11 AM
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Scan the engine. Pretty sure oil pressure, gear lube, or temp will produce a steady beeeeeeeeeeep.
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Old 07-22-2021, 07:18 AM
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Over rev in neutral is one of many 2 beep alarms
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Old 07-22-2021, 10:12 AM
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525 EFI

Per Merc manual, the small one in the packet not the full service one, the only two beep alarm is low gear lube. Motors have been scanned showed the low gear lube and were cleared. All mechanical gauges read fine. Just comes back over and over. Res is full, pumped up from the drive fill.

Do the res bottles go bad?

Question................ If you unplug one or both wires to the Res bottle will that cut out the alarm feature? As a way to maybe tell if the Res bottle has gone bad?

Last edited by RaggedEdge; 07-22-2021 at 10:28 AM. Reason: question
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Old 07-22-2021, 10:34 AM
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Originally Posted by RaggedEdge View Post
525 EFI


Do the res bottles go bad?

Question................ If you unplug one or both wires to the Res bottle will that cut out the alarm feature? As a way to maybe tell if the Res bottle has gone bad?
yes and yes and yes
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Old 07-22-2021, 08:47 PM
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The float at the bottom of the reservoir can get stuck and will set off the alarm. When the float is down, it essentially completes the circuit. Pull one wire and it'll stop. Then order a new res bottle.
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Old 07-23-2021, 03:39 PM
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SB and Griff,

Thanks for the info.

Thought that might be the case just wanted some confirmation. Motors were done before the Covid chit, did not get to run it last summer due to low water levels and the Canadian border closure up here.

Plan to get it out and run it soon and wanted some sort of a plan to put this to bed. It's a nagging PIA.

Thanks again!
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Old 08-14-2021, 06:27 PM
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Originally Posted by Griff View Post
The float at the bottom of the reservoir can get stuck and will set off the alarm. When the float is down, it essentially completes the circuit. Pull one wire and it'll stop. Then order a new res bottle.
So this afternoon I backed the boat into the water, fired them both up for the first time since the start of this Covid Chit, Luck had it they both fired right up, sound fine, all mech gauges show fine readings. Great! Then the F'n beep beep chit starts again. I have one wire pulled on each bottle, have two new just did not feel like dumping new gear lube to change them out.

Question here is ............... Do I need to have the trouble codes cleared out in order to make the beep beep chit go away? Every mechanical gauge on the boat says all is good to go, right where it needs to be. Just at a loss on this deal.
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