ESIE11-02 Troubleshooting
Part 3 – Troubleshooting 3–23
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Part 3
4 Troubleshooting
4.1 What Is in This Chapter?
Introduction When a problem occurs, you have to check all possible malfunctions.
This chapter gives a general idea of where to look for malfunctions. Furthermore, the general
procedures for refrigeration circuit and electrical circuit repair are described.
Not all repair procedures are described. Some procedures are considered common practice.
Overview This chapter contains the following topics:
Topic See page
4.2–Items to Be Checked 3–24
4.3–General Repair Procedures 3–26
4.4–Locking and Unlocking the Keyboard 3–27
4.5–Replacing the Controller: EUWA*5-24KBZW1 3–28
4.6–Replacing the Controller: EUWY*5-24KBZW1 3–30
4.7–Parameter and Parameter Level Overview 3–32
4.8–Replacing the PCB: EUWA*5-24KBZW1 and EUWY*5-24KBZW1 3–37
4.9–Soft Starter (option EKSS) Thermal Protection 3–38