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MINUTO
Check the temperature
Check the temperature
The number shows the heater temperature .
The number shows the heater temperature .
ERROR:
ERROR: In the indication HEATER appears "SHORT", the NTC
In the indication HEATER appears "SHORT", the NTC
temperature-sensor is shorted, the display backlight changes from
temperature-sensor is shorted, the display backlight changes from
green to red; check the wiring from the NTC temperature-sensor to
green to red; check the wiring from the NTC temperature-sensor to
the CPU/POWER board (JP13).
the CPU/POWER board (JP13).
ERROR:
ERROR: In the indication HEATER appears "OPEN", the NTC
In the indication HEATER appears "OPEN", the NTC
temperature-sensor is detached or broken, the display backlight
temperature-sensor is detached or broken, the display backlight
changes from green to red; check the wiring from the NTC
changes from green to red; check the wiring from the NTC
temperature-sensor to the CPU/POWER board (JP13).
temperature-sensor to the CPU/POWER board (JP13).
Press the ESPRESSO button to switch on the Heater
Press the ESPRESSO button to switch on the Heater
The absorbed current ( Amperometer on the main supply) is OK, the
The absorbed current ( Amperometer on the main supply) is OK, the
indication HEATER changes from "OFF" to "ON" and the temperature starts
indication HEATER changes from "OFF" to "ON" and the temperature starts
increasing.
increasing.
If temperature is over 135°C, the backlight change from GREEN to
If temperature is over 135°C, the backlight change from GREEN to
YELLOW. This is a ALERT message to avoid heating the HEATER
YELLOW. This is a ALERT message to avoid heating the HEATER
element over dangerous temperature.
element over dangerous temperature.
ERROR:
ERROR: the absorbed current is KO or the temperature does not
the absorbed current is KO or the temperature does not
increase; check the wiring from the heater to the CPU/POWER
increase; check the wiring from the heater to the CPU/POWER
board (JP19) and the wiring of the NTC temperature-sensor (JP13).
board (JP19) and the wiring of the NTC temperature-sensor (JP13).
05 TROUBLESHOOTING
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