Daikin EUWL KZW1 Series, Service Manual

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Checking the Inputs and Outputs ESIE-0303
3–14 Part 3 – Troubleshooting
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1
3
4
5
3.2 Checking the Temperature Sensors
Introduction If the cause of the problem is related to the temperature sensors, the sensors should be checked prior
to changing the controller or an output device.
Temperature
sensors The following sensors are connected to the controller: R3T/ R4T/ R5T.
How to check To check the temperature sensors, proceed as follows:
Step Action
1 Disconnect the sensor from the terminal connection.
2 Measure the temperature and the resistance value.
3 Check whether the measured values correspond with the values in the appropriate table:
"Controller Sensors: R3T, R4T and R5T" on page 3–15.