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The temperature sensors are temperature dependant NTC resistors. As soon as one of the sensors is measur-
ing a too high temperature, the machine stops with E01 “Overtemperature”. The sub-code indicates which sensor
detected the overtemperature. The fans keep running to cool down the machine. If the temperature drops below
55°C, the error code disappears and the machine can be used again.
The middle heat sink temperature is calculated over a longer period of time. The eective limit is depending on
the actual current setting, that means if the machine is used with a welding current below the 100% duty cycle, the
E01-04 can never come up.
sensor code limit monitoring
output diodes E01-01 ca. 80°C MAPRO
primary modules E01-02 ca. 70°C DRV
middle heatsink temperature E01-04 current depending MAPRO
If one of the sensors should be faulty or disconnected from the measuring circuits, the machine will stop with the
error code E13 “Error Temperature Sensor”.
The sensors have a resistance value of about 10kΩ at 25°C.
code sensor
E13-01 at output diodes
E13-02 inside primary modules (MicorMIG 300/350) / MOSFETs and IGBTs (MicorMIG 400/500)
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