Daikin EUWAC5FZW [168/264] Part 3

ESIE-0302 Checking the Inputs and Outputs

Part 3 – Troubleshooting 3–17

Part 3

3 Checking the Inputs and Outputs

3.1 What Is in This Chapter?

Introduction This chapter contains information on how to measure and check the most important inputs and

outputs.

Overview This chapter contains the following topics:

Topic See page

3.2–Checking the Temperature Sensors 3–18

3.3–Controller Sensors: R3T and R4T for EUWAC*5-10FZW1 3–19

3.4–I/O PCB sensors: R3T and R4T for EUWA*5-24KZW1 and EUWY*5-24KZW1 3–20

3.5–I/O PCB sensors: R6T, R7T and R8T for EUWA*5-24KZW1 and

EUWY*5-24KZW1

3–21

3.6–Checking the Digital Inputs and Outputs 3–22

3.7–Checking the Power Supply and Fuses: EUWAC5-10FZW1 3–23

3.8–Checking the Power Supply and Fuses: EUWA*5-24KZW1 and

EUWY*5-24KZW1

3–24

3.9–Electrical Error Overview: EUWA*5-24KZW1 and EUWY*5-24KZW1 3–25