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The 12 volt 40 amp relay behind the control panel is buzzing. It only occurs with the engine running It does not occur with the engine switched on but not running It does not occur with the engine switched off The engine is a Beta 43, 2006 vintage The control panel is the Beta "C" with tachometer, oil pressure gauge, volt meter, water temperature, green power on light, red warning lights for oil pressure, engine alternator, domestic alternator. And warning buzzer. The control panel shows all lights before engine startup and all red warning lights go out after engine start up. The engine needs to be started at higher revs than tickover but as soon as the engine starts the alternator warning lights go out and remain out when returned to tickover. The engine battery appears to charge ok (the engine alternator feeds a diode splitter which then feeds the engine battery and the bow thruster battery) charging is a little slow but I think this could be explained by the lower voltage that would be obtained by using a diode splitter. The domestic batteries appear to charge ok (4x Trojan t105 type batteries wired series/parallel for 12v. Solar recently installed I thought it could possibly be the solar causing it, but it still happens with the solar controller output isolated. Can anyone A) tell me what this relay does any suggestions as to what the problem is and how to fix it Ps I did not insert the emoji, the furum software did. It was supposed to be "B bracket"
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- beta 43
- boat electrics
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Has anybody got a copy of a wiring diagram for the Lister Control Panel which was attached to my SR2 on our narrowboat. It has a Lister logo on it and the usual keyswitch, Horn push(?), hours run meter and row of panel lights. As I'm new to this forum, I have a picture which I can email. thanks.
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- control panel
- lister
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