When I compare the schematics tto the repetier firmware v0.91, I don't understand the pinning of Temp1.
I read :
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#define HEATER_BED_PIN 3
#define TEMP_BED_PIN 2
#define HEATER_0_PIN 9
#define TEMP_0_PIN 0
#define HEATER_1_PIN 7
#define TEMP_1_PIN 3
#define HEATER_2_PIN -1
#define TEMP_2_PIN -1