Friedrich MD24Y3J Svc Manual page 59

Check Point
1. Check the power source.(230V ±15%)
2. Check the fan operation is right.
3. Check the current.
4. Check the install condition.
5. Check the CT Sensor Output signal
(LUU247HV - Check output the CT Sensor : DC 2.5±0.2V)
LUU367HV / LUU427HV - Check output pin 2.3 of the CT Sensor : DC 2.5±0.2V
* AUUW24GD2 [MR24UY3J]
* AUUW36GD2 [MR36UY3J]
< Inverter PCB>
Only for training and service purposes
IN/I
<CT Sensing Check Point>
1
2
3
<CT Sensing Check Point>
- 59 -
GND
Red
Black
Vdc