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Thread: Mhi vrf 407c e5 fault
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19-06-2014, 11:07 PM #1
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Mhi vrf 407c e5 fault
got an old 407c vrf Mitsubishi heavy industries system that is taking comp out for fun. latest fault is e5. found system with no gas . Found leak and repaired and re charged. but still unable to get comp to run. checked windings to earth and no resistance . Unable to give the model of comp but does any one know what resistance value i should have on a 3 phase inverter driven comp ? Could a faulty inverter take out comp, or would the loss of oil from the leak take the comp out before faulting on a low pressure fault?
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20-06-2014, 08:32 PM #2
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Re: Mhi vrf 407c e5 fault
Have you checked running amps ? Could be seized
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20-06-2014, 08:45 PM #3
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Re: Mhi vrf 407c e5 fault
e5 transmission error- indoor to outdoor
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20-06-2014, 08:46 PM #4
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Re: Mhi vrf 407c e5 fault
resistance should be equal between any 2 windings usualy around 1-3 ohms
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20-06-2014, 08:50 PM #5
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Re: Mhi vrf 407c e5 fault
manual.pdf
link works-page 217 check power supply and noise filters are prone for failingLast edited by install monkey; 20-06-2014 at 08:54 PM.
