New commission: Heater 1 fault but appears to display valid readings

Hello,
I am setting up my first commission for a Duet and the web UI is stating a fault on Heater 1. Currently Bed states 58C and Heater1 States 62C. I know room temp is not above 18C at the moment so the readings are high but at least close. This is after my best attempt at setting the correct resistor values in sys/config. The bed temps seem to raise when i set the values but it looks like i am having issues with Heater1. I do not have a meter handy and can pick it up in the next day or so but was wondering if there was any other way to troubleshoot without it.
I have removed the thermistor from the heat block and made sure it does not appear to be short there.

Any ideas?

If the temperature readings are around 60C at room temperature, this usually means that you have a more recent Duet with 4.7K thermistor series resistors but you have not told the firmware that. Change the R parameters in the M305 commands in config.g to 4700.

When your temperature readings are normal, tune the heaters as described at [duet3d.com].

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Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].

David,
I thought i was using 4700 for it. I might have messed it up when adjusting for the bed. Here are the settings that i am currently using.


M305 P0 T100000 B4138 ; New Bed Heater values for 100k
M305 P1 R4700 H0 L0 ; Put your own H and/or L values here to set the first nozzle thermistor ADC correction
M305 P2 R4700 H0 L0

You don't have the R4700 parameter in the M305 P0 command.

Are you certain that the M305 P1 command is being processed? Send M301 P1 with no other parameters to see what values it is using.

Edited 1 time(s). Last edit at 10/05/2016 03:39AM by dc42.

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Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].

Thanks David for the help,
I noticed the lack of the R param in my P0 config and once added i get a more accurate 19.4C out of my heat bed.
I tried to send M301 P1 and nothing is returned after sending. I also tried it with P0.
The M301 command by itself returns "Heater 1 P:0.00 I:0.100 D:100.00 T:0.50 S:1.00"

Edit: That seemed to have fixed it as i am getting "Active" Now on Heater 1 and can apply heat.

Edited 1 time(s). Last edit at 10/05/2016 11:30AM by targenaut.

Sorry, I should have said M301 H1 not P1.

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Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].