Daikin FCQ35B7V1, Service Manual

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ESIE05-04
Table of Contents v
3
4
5
1
Part 3
Troubleshooting
1 Troubleshooting
1.1 What Is in This Chapter? ........................................................................ 3–3
1.2 General Troubleshooting Flowchart ........................................................ 3–4
1.3 Overview of General Problems ............................................................... 3–5
1.4 Procedure of Self-Diagnosis by Remote Controller ................................ 3–20
1.5 Fault-diagnosis by Wired Remote Controller .......................................... 3–21
1.6 Fault-diagnosis by Wireless Remote Controller ...................................... 3–22
1.7 Overview of Error Codes......................................................................... 3–26
1.8 Troubleshooting by LED Indications on the Indoor Unit.......................... 3–27
1.9 Troubleshooting by Remote Controller Display / LED Display................ 3–28
1.10 Overview of the Indoor Safety Devices .................................................. 3–30
2 Error Codes
2.1 What Is in This Chapter? ........................................................................ 3–31
2.2 Malfunctioning Indoor PCB ..............................................................(A1) 3–32
2.3 Malfunction of Drain Water Level System ........................................(A3) 3–33
2.4 Malfunctioning Drain System .......................................................... (AF) 3–35
2.5 Indoor Unit Fan Motor Lock .............................................................(A6) 3–36
2.6 Malfunctioning Capacity Setting .......................................................(AJ) 3–38
2.7 Thermistor Abnormality ...................................................... (C4, C5, C9) 3–40
2.8 Malfunctioning Remote Controller Air Thermistor ............................ (CJ) 3–42
2.9 Malfunctioning of Moisture Sensor System..................................... (CC) 3–43
3 Error Codes: System Malfunctions
3.1 What Is in This Chapter? ........................................................................ 3–45
3.2 Malfunction of Transmission between Indoor and
Outdoor Unit (U4 or UF)..........................................................................
3–46
3.3 Malfunction of Transmission between Indoor Unit and
Remote Controller (U5) ..........................................................................
3–48
3.4 Malfunction of Transmission between MAIN Remote Controller
and SUB Remote Controller
(U8) 3–49
3.5 Malfunctioning Field Setting Switch ................................................ (UA) 3–50
3.6 Centralized Address Setting Error ..................................................(UC) 3–52