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Thread: trouble shooting
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13-05-2010, 11:41 AM #14
Re: trouble shooting
I've seen a few systems with high head pressure caused by being over charged, the reason for the over charge was a restriction in the high side that a previous tech mistook for a shortage of refrigerant.
Have seen it so bad that a pumpdown system actually turned off on the hp switch and not the lp
Always have to allow for the numpty factor
I hate these multiple choice questions, there is never enough info about the system before the question. If it was an actual system i would be asking the customer about system history and looking round for signs of recent work by other techs, amongst other things.
Jon
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