Daikin EWYQ130DAYN [6/524] Part 3 troubleshooting

ESIE06-05

4 Table of Contents

Part 3

Troubleshooting

1 Overview of Fault Indications and Safeties

1.1 What Is in This Chapter? ......................................................................... 3–3

1.2 What happens in the Event of an Alarm? ................................................ 3–4

1.3 What to do in the Event of an Alarm? ...................................................... 3–5

1.4 Overview of Unit Safeties ........................................................................ 3–6

1.5 Overview of Circuit Safeties..................................................................... 3–11

1.6 Overview of Network Safeties.................................................................. 3–19

1.7 Overview of Warnings.............................................................................. 3–21

1.8 Overview of Start Problems ..................................................................... 3–23

2 Checking the Temperature Sensors

2.1 Temperature and resistance characteristics of thermistor type 1 ............ 3–27

2.2 Temperature and resistance characteristics of thermistor type 2 ............ 3–28

2.3 Temperature and Resistance characteristics of Thermistor Type 3 ........ 3–29

2.4 Temperature and resistance characteristics of thermistor type 4. ........... 3–30

3 Reset procedure

3.1 Introduction .............................................................................................. 3–31

3.2 Login/Logout ............................................................................................ 3–32

4 Procedure for Software Upload

4.1 What is in this chapter ............................................................................. 3–33

4.2 Overview hardware software/Source files................................................ 3–34

4.3 Software upload procedure: PCASOflash ............................................... 3–35

4.4 Installation of PCASOflash Software ....................................................... 3–40

4.5 Overview of most common problems....................................................... 3–41

5 Procedure for main PCB changing

5.1 Changing the main PCB .......................................................................... 3–43

5.2 Configuration of Main PCB nr 1 ............................................................... 3–44

5.3 Configuration of Main PCB nr 2 ............................................................... 3–45