When if fitted the toilet, it didn’t work. Oh well, I thought, one to come back to.
Oh my what an pantomime!
Pretty much everything else is done now, so it was time to sort it out.
Pulled the toilet out and checked for voltage at the supply terminals. Yep,12.6 volts there, so I thought it might be the micro-switch for the cassette. Manually operated that, no difference.
Hmm, must be something deeper? Pulled the toilet out and took it into the workshop. Checked all the connections etc. Did a continuity test at the supply terminal and sure enough operating the micro-switch and the flush gave me continuity. All good!
Put it back in the van - nothing!
Re-checked the supply all good!
Hmm, again.
Okay, back to the workshop and try actually running it - perhaps the pump is jammed!
Connected it to a 12v supply in the workshop, worked straight away!
Back to the van, connected up - nothing!
At this point I tried the judicious application of a few we’ll chosen expletives, but they made no difference!
Time for a tea break...
Then I had a thought, perhaps there was a high resistance connection. This would show 12v on the high impedance digital meter but would disappear as soon as there was any load.
Sure enough, checking the voltage there was 12.6v but as soon as the flush was operated it dropped to zero! I checked the terminations at the fuse box and they looked okay. I put a weight on the flush to keep it on and went back to the fuse box and checked the voltage at the terminals and sure enough 0v. Wiggled the fuse about and voila, success. Brand new fuse box and brand new fuses! Oh well, all fixed now.
Like I said, what a pantomime!
Sorry, longer story than I intended.