Lectra/San red light

CW

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exMember
Joined
Nov 30, 2004
RO Number
15825
Messages
92
I have an eight year old Lectra/San that I sent to Raritan about a year and a half ago to get overhauled. The unit has worked great since than until this weekend. I now get a solid red light immediately after the flush cycle ends. I checked all three fuses and they seem to be fine and all the connections appear to be tight. Any thoughts on what I need to look at next.
 
CW, Vic will probably comment on this but I had somewhat of a similar tho not exact situation. Come to find out that the fuse block gets loose and doesn't make the necessary contacts required. In my case replacement of fuse block corrected problem. Let's see what Vic has to say.
 
CW, Bob's probably correct. If you look at the fuse block, it has a black-colored backing board that the fuse clips and wire connection tabs are riveted to. The black backing board seems to shrink with age, causing the rivets to loosen. Then, the contact isn't as good as it should be, between the rivets, the fuse clips and the tabs to connect your wires. A bad connection there will cause the machine to "think" it has a blown fuse when it really doesn't.

You can either solder the rivet to the clips, etc., at each of the six fuse clips, or you can replace the fuse block.
 
Thanks , I will investigate this weekend.
 
I soldered the rivets on the fuse board. Still get the red light. Any other suggestions before I ship it to Raritan.
 
If you haven't already done it, do the muriatic acid treatment that's outlined in your Owner's Manual. Florida and Gulf waters have a lot of dissolved minerals in the water. These deposits settle out and adhere to the electrode plates inside the unit, and act as an insulator, keeping the machine from passing enough electricity through the water inside the tank. The machine interprets this as not having sufficient salt in the flush water, and it says "tilt" and shuts off. Cleaning the electrodes with muriatic acid will dissolve the deposits and give the electrodes good contact with the salt water inside the unit.

The muriatic acid treatment may not work, with the system being 8 years old, there's a fair possibility that the electrodes will require replacement. But a jug of muriatic acid is a whole lot cheaper than buying new electrodes, so it's certainly worth a try.
 
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