Additional Checks For Troubleshooting - Daikin Altherma EKHBH Series Service Manual

ESIE06-03
5

Additional Checks for Troubleshooting

5.1 What Is in This Chapter?
Introduction This chapter explains how you must check the units to carry out troubleshooting correctly.
Overview This chapter contains the following topics:
Topic
5.2–Fan Motor Connector Output Check
5.3–Electronic Expansion Valve Check
5.4–Four Way Valve Performance Check
5.5–Thermistor Resistance Check
5.6–Installation Condition Check
5.7–Discharge Pressure Check
5.8–Outdoor Unit Fan System Check (With DC Motor)
5.9–Power Supply Waveforms Check
5.10–Inverter Units Refrigerant System Check
5.11–Capacitor Voltage Check
5.12–Power Transistor Check
5.13–Main Circuit Electrolytic Capacitor Check
5.14–Turning Speed Pulse Input on the Outdoor Unit PCB Check
5.15–"Inverter Checker" Check
Part 3 – Troubleshooting
Additional Checks for Troubleshooting
Part 3
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