ESIE02–01
4
Error Codes: System Malfunctions
4.1
What Is in This Chapter?
Introduction
In the first stage of the troubleshooting sequence, it is important to correctly interpret the error code
on the remote control display. The error code helps you to find the cause of the problem.
Overview
This chapter contains the following topics:
Topic
4.2–Gas Shortage Detection (U0)
4.3–Reverse Phase (U1)
4.4–Transmission Error between Indoor and Outdoor Unit (U4 or UF)
4.5–Transmission Error between Indoor Unit and Remote Control (U5)
4.6–Transmission Error between MAIN Remote Control and SUB Remote Control
(U8)
4.7–Malfunctioning Field Setting Switch (UA)
Part 3 – Troubleshooting
Error Codes: System Malfunctions
Part 3
See page
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3–55
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3–62
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