View Full Version : Mitsubishi electric fault code
robin r33 gtr
14-08-2009, 07:35 PM
I have been given a job to do on Monday and the customer has given this information.
Mitsubishi city multi
r407c
fault code 1005112
I do not know where they got this code from. And the system is on a g50 Central controller.
Any idea?
Thermatech
14-08-2009, 07:46 PM
5112 is fault code for temperature sensor at unit address 100.
All fault codes starting with 51 are for temperature sensors & they will be open circuit or closed circuit to make the fault.
This will be for an outdoor unit or a BC box.
Unusual for any unit to be set at address 100.
Anyway you can use engineers mode at the G50 to see the fault record history & see what units are connected.
Real easy trouble shoot.
Just locate the unit & replace the temp sensor.
robin r33 gtr
14-08-2009, 08:17 PM
Thanks for all your help.
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