LCD Showing 371.2 Hot End Temp
Posted: Tue Jul 09, 2013 2:45 pm
Had just a little problem, not really sure what.
Latest board (b), latest firmware (repetier), calibrated the hot end (4650 was my beta setting)
Had some stringing on a print so I homed and turned off and back on.
Turn on the fan to 25% to accelerate cooling to recheck calibration and if the tube inside the hot end wasn't mucked up
Left it on for 3 hours
Came back, head temp was 371.2/0
Disconnected hot end, thermistor lead had broken (not sure if it was the result of me pulling the hot end off or not)
Turned back on Rockstock, head temp still 371.2/0 without thermistor connected, so it is the board.
Tried reloading firmware just in case there was a glitch somewhere, nope.
What can I replace? I've had blown fuses, can't be a blown fuse or it would read 0, correct? Next up: Try changing extruder from 0 to 1. Question: Which pins? Which area in Pins.H
(There are a few posts about blown boards, replacing fuses, I did not see on a search anything about replacing specific parts - or perhaps my search terms were not correct but related is here:
http://forum.seemecnc.com/viewtopic.php?t=1757&p=11068
specifically http://forum.seemecnc.com/viewtopic.php ... t&start=10
)
So what if I wanted to change pin settings for Repetier Firmware (latest sometime in April) to try the other hot end circuit? The last link above only has it for Marlin.
Latest board (b), latest firmware (repetier), calibrated the hot end (4650 was my beta setting)
Had some stringing on a print so I homed and turned off and back on.
Turn on the fan to 25% to accelerate cooling to recheck calibration and if the tube inside the hot end wasn't mucked up
Left it on for 3 hours
Came back, head temp was 371.2/0
Disconnected hot end, thermistor lead had broken (not sure if it was the result of me pulling the hot end off or not)
Turned back on Rockstock, head temp still 371.2/0 without thermistor connected, so it is the board.
Tried reloading firmware just in case there was a glitch somewhere, nope.
What can I replace? I've had blown fuses, can't be a blown fuse or it would read 0, correct? Next up: Try changing extruder from 0 to 1. Question: Which pins? Which area in Pins.H
(There are a few posts about blown boards, replacing fuses, I did not see on a search anything about replacing specific parts - or perhaps my search terms were not correct but related is here:
http://forum.seemecnc.com/viewtopic.php?t=1757&p=11068
specifically http://forum.seemecnc.com/viewtopic.php ... t&start=10
)
So what if I wanted to change pin settings for Repetier Firmware (latest sometime in April) to try the other hot end circuit? The last link above only has it for Marlin.