You recall my old robinair AC machine was giving me an error, and called local service center who wanted $180 to look at it, then parts etc. I just bought a 1 year old new machine. Messed with the old one some more and figured it had to be one of the pressure transducers. When powered on it shows low pressure error. Unplugging the connector to the transducer the error would go away. When trying to do a recovery the display would always show 31inhg. At the end when trying to do an oil drain it would fail. I then figured if the transducer was bad, it would not know if the was draining or not. Looking up the part number I found the new transducers listed for sale for about $160 each off the robinair part number. These apparently are supplied by a different manufacturer than original as they look different. I then used the photo of the robinair part to get the manufacturer and part number, did a search and turned up the same transducer for $27 each. Ordered 2, replaced both of them to be sure and it’s now working fine. No errors, does a recovery and oil drain just fine. Since I already bought a newer machine I will probably put the old one up for sale as I don’t think I really need 2 of them do I?
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