You should seriously reconsider buying an existing car wash. It's difficult even with stellar credit to get a loan to build a car wash even if you have 30% up front. Land costs and property taxes in states that have it would make it very hard to survive the first couple of years while you...
Just for clarity, cavitation is when the water supply is restricted and the water boils under vacuum in the pump.
With what you've done you've eliminated everything except a crankcase issue. Remove the head again and make sure all the plungers/pistons are moving and there's no in and out play...
Translates to "I feel a little weird and I think I pulled out donkey ears." At least we know what cells they used to cultivate the vaccine. Thanks for your contribution to medicine.
You could be more helpful by saying "Some alarms use simple open/close circuits on their sensors while others use a proprietary communication, and I used X alarm with Y sensors that I had trouble making them work." Just like your claim of the alarm manufacturers, you unnecessarily complicate...
Do you not see how you still ended up blaming your mistake on the "overly proprietary sensors?" If you buy an alarm that uses simple open/close circuits, you just have to get the right peripherals. This has nothing to do with a system's obsoletion.
Before replacing the plungers, look at the tags on the solenoids. My guess, since they're numbered 5, 6, 7 on top, is those bays were added later and they may have used solenoids with a smaller orifice. The orifice size is listed on the coil tag.
I tell them that it's a city ordinance, that it's theft of service and a $400 fine, and it's their responsibility to know. It seems to stop them and shut them up at the same time. I've really had enough of the "I didn't know" BS, it should be common courtesy and common sense that we provide...
I've thought about documenting literally everything I do, from changing a coin acceptor to completely rewiring a car wash, and compiling it into a book or a series of manuals. If I were to sit down and try to write down everything I know I'm sure I'd forget to include a ton of stuff. And all...
More of a build-your-own system, I don't know if this one has the features you want but I know some of them did 30 years ago. You'll have to find the manual and see.
https://www.zoro.com/napco-intrusion-system-keypads-5-78-w-lcd-gem-rp2ase2/i/G1593142/
The blinking light indicates an issue with the validator itself. It may blink a code, which you can read by the list on the stacker. It will blink constant if the stacker is removed.
I saw that a lot when I worked for a distributor, still do now sometimes. I can cite both JE Adams and Fragramatics, they both have only one tech that really knows everything, the rest can sort of help if they can find the manual.
I'll bet it's more like 1-1,000. You get the occasional kid with a real interest in something like cars and will build or restore something nice, but the rest are more into ironic upgrades, riveting on garden bed trim for front air dams, etc.