Multi Zone Service Manual - General

5. Trouble Shooting
- 60 -
Only for training and service purposes
Check Point
1. Check the power source.(220V ±15%)
2. Check the fan operation is right.
3. Check the current.
4. Check the install condition.
5. Check the CT Sensor Output signal
- Check output the CT Sensor : DC 2.5±0.2V
Vdc
< Input Power Source Check Point >
< Main PCB>
<CT Sensing Check Point>