Or something else to add to the back 40! -D
> On Apr 5, 2022, at 6:52 PM, Kaleb Striplin via Mercedes > <mercedes@okiebenz.com> wrote: > > This machine has 2 pressure transducers one for the low side and one for > accumulator. When I switch the connectors between the 2 the error changes to > accumulator pressure error so to me that tells me the low pressure one is > bad. If I leave the connections disconnected I get no error. The bigger > problem is why it’s venting refrigerant. I suppose I could pay the > diagnostic fee and see what I am looking at. Just afraid even if I get it > fixed then something else goes wrong. I guess I could buy that one like mine > and keep this one for parts. > > Sent from my iPhone > >> On Apr 5, 2022, at 8:42 PM, Allan Streib via Mercedes >> <mercedes@okiebenz.com> wrote: >> >> If it were me and I trusted the shop I would probably pay the $180 for the >> diagnostic. Once you know what's wrong, you can decide whether to have them >> repair it, do it yourself, or replace it. >> >> Otherwise it's a careful, deliberate process of testing and elimination to >> figure out what is wrong and repair it. What is your time worth? >> >> >>> On Tue, Apr 5, 2022, at 9:24 PM, Kaleb Striplin via Mercedes wrote: >>> I have a Robinair 34788 fully automatic machine that I have had for >>> about 4 or so years now. Nearest I can tell it is probably 10-15 years >>> old, not sure. Per the menu look like it has has around 2600 lbs ran >>> thru it. Not sure if that is a lot or not for these machines. Anyway, >>> last year it got to where it was throwing a low pressure error when you >>> turn it on, then gives an oil drain error when doing a recovery. >>> Several times it has ended up venting all of its stored R134 thru the >>> vacuum vent line into the oil drain bottle. I also suspect the ball >>> valves on top of the internal tank are leaking. I am betting the low >>> pressure error is the low pressure transducer. I also tested the >>> solenoids and they all appear to work so I am thinking the oil drain >>> error could be the circuit board. When it is supposed to be doing an oil >>> drain it never even opens the solenoid. >>> >>> Called a local service place for these and if they come here its $250 >>> for the drive plus $180 for the diagnostic, or I can take it to Tulsa >>> and just pay the $180, then pay whatever labor for the repairs plus >>> parts. Assuming it needs all 3 ball valves those are around $60 each. >>> The transducer is around $150 to $180 depending on the website. Circuit >>> board is about $350. So if it actually needs all this I would probably >>> be looking at a grand to fix this machine. That does not factor in any >>> additional labor. >>> >>> I would always just order the transducer and see if that fixes the rest >>> of the problems (which I am not hopeful of), or pay the $180 to see what >>> is wrong and what it would cost to fix it. I am however considering >>> just buying a newer machine. There is one exactly like mine but appears >>> to have been used a lot less and includes a 30lb cylinder: >>> >>> https://www.facebook.com/marketplace/item/5143233472435476/?ref=search&referral_code=marketplace_search&referral_story_type=post&tracking=browse_serp%3Adc0e9849-915e-40a4-b3d5-28817f9adfa7 >>> >>> Also looking at these: >>> >>> https://www.facebook.com/marketplace/item/965256667454473?ref=search&referral_code=marketplace_search&referral_story_type=post&tracking=browse_serp%3Adc0e9849-915e-40a4-b3d5-28817f9adfa7 >>> >>> https://www.facebook.com/marketplace/item/274691608128011?ref=search&referral_code=marketplace_search&referral_story_type=post&tracking=browse_serp%3Adc0e9849-915e-40a4-b3d5-28817f9adfa7 >>> >>> https://www.facebook.com/marketplace/item/698606498164730/?ref=saved&referral_code=null >>> >>> I know these are a lot of money but I actually do quite a bit of AC work >>> for my own fleet of cars and projects. Anybody have any thoughts on >>> fixing mine or spending the money on a newer one? >>> >>> _______________________________________ >>> http://www.okiebenz.com >>> >>> To search list archives http://www.okiebenz.com/archive/ >>> >>> To Unsubscribe or change delivery options go to: >>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> >> _______________________________________ >> http://www.okiebenz.com >> >> To search list archives http://www.okiebenz.com/archive/ >> >> To Unsubscribe or change delivery options go to: >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> > > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
