2-9 fan error – Sunlight Supply Samsung Programmable Thermostat for Split Systems User Manual

Page 105

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Samsung Electronics 12-42

12- 2-9 Fan

error

1. Checklist

:

1) Isn’t the fan locked?

2) Is the sensor placed correctly?

3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature?

4) Is the resistance value of sensor connection pull_up correct?

2. Troubleshooting

procedure

Isn't the Fan locked?

Is the connector connected correctly?

Is the color of Fan wire matched correctly?

Remove the Fan lock.

Connect the connector.

Exchange the Fan.

Exchange the PCB.

Normal operation

Exit

Yes

Yes

Yes

No

No

No

No

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