Join Date: Nov 2019
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Bailey Approach Advance 640 `66 Reg` Fresh water tank issues
Does anyone know how to re-calibrate the fresh water tank sensor on a `66` Reg Bailey Approach Advance 640 via the Whale Seattle Control Panel.
I did it on my last MoHo, Autograph Approach 750 Alde system, but cant seem to find the mode on the Whale!
I am aware they are very rarely accurate.
Any hints would be appreciated.
Further to above, having sterilised the water system and drained it, I thought I would look in the fresh water tank.
Indicator on control panel showed 0% and internal water pump had stopped purging making you think the tank would be empty.
There was still about 5" of water in, exactly to the top of the tank internal pump.
There is no sump plug to empty the tank, (I cant find 1 anyway) but looking towards the back of the moho there is an outlet pipe with tap at the bottom right hand side of the tank. Tried draining the tank by moving the tap to different positions but still wont drain!
Ended up force purging the pump by holding pump switch on control panel for a few seconds which makes the pump run until the tank was dry.
So tank is empty now as is hot water heater tank by opening drain tap.
But there should be a way of draining fresh water tank via sump plug or other.
Anyone have an idea.
(new on here so hope i have put it on correct forum!)
Last edited by Euro330; 18-11-2019 at 19:12.
Reason: Amend post title