a5:faulty-temperature-readings
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| Both sides previous revisionPrevious revisionNext revision | Previous revisionLast revisionBoth sides next revision | ||
| a5:faulty-temperature-readings [2018/06/28 21:08] – samuelpinches | a5:faulty-temperature-readings [2019/02/18 20:53] – [Fixing the problem] samuelpinches | ||
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| Line 17: | Line 17: | ||
| ====Diagnosing the problem==== | ====Diagnosing the problem==== | ||
| - | **1. Testing the thermistor function | + | **1. Testing the thermistor function: |
| ** | ** | ||
| First, unplug the thermistor from the motherboard, | First, unplug the thermistor from the motherboard, | ||
| - | **2. Testing the connection | + | **2. Testing the connection: |
| ** | ** | ||
| Check that you get the same reading at the thermistor itself, and also at the end of the cable that plugs right into the motherboard. | Check that you get the same reading at the thermistor itself, and also at the end of the cable that plugs right into the motherboard. | ||
| - | **3. Testing the motherboard port function | + | **3. Testing the motherboard port function: |
| ** | ** | ||
| Connect to the motherboard using pronterface. You should see the temperature indicated in the bottom right corner. The temperature should increase if you put your finger on the thermistor, and the values should be reasonable. | Connect to the motherboard using pronterface. You should see the temperature indicated in the bottom right corner. The temperature should increase if you put your finger on the thermistor, and the values should be reasonable. | ||
| Line 48: | Line 48: | ||
| - | ---- | ||
| - | // | ||
| - | // Temperature Sensors | ||
| - | // | ||
| - | #define TEMP_0_PIN | ||
| - | #define TEMP_1_PIN | ||
| - | #define TEMP_BED_PIN | ||
| - | |||
| - | ---- | ||
| + | // | ||
| + | // Temperature Sensors | ||
| + | // | ||
| + | #define TEMP_0_PIN | ||
| + | #define TEMP_1_PIN | ||
| + | #define TEMP_BED_PIN | ||
| + | | ||
| All you need to do, is swap the TEMP_1_PIN number, for the number of the broken port. Then, reflash the firmware. Hopefully now you will have a correct temperature measurement displayed on your printer! | All you need to do, is swap the TEMP_1_PIN number, for the number of the broken port. Then, reflash the firmware. Hopefully now you will have a correct temperature measurement displayed on your printer! | ||
| + | For more info on the thermal safety systems in the Marlin Firmware, see [[/ | ||
a5/faulty-temperature-readings.txt · Last modified: 2020/12/25 02:13 by 127.0.0.1
