Table of Contents
Service manual
4
Table of Contents
1.1
Meaning of warnings and symbols.................................................................................................................................
1.2
Dangers ...........................................................................................................................................................................
1.3
Warnings .........................................................................................................................................................................
1.4
Cautions .......................................................................................................................................................................... 14
1.5
Notices ............................................................................................................................................................................ 14
3.1
3.2
3.3
3.4
To perform a test run...................................................................................................................................................... 18
3.4.1
3.5
Error based troubleshooting........................................................................................................................................... 19
3.5.1
A1-00 - PCB abnormality ............................................................................................................................... 19
3.5.2
3.5.3
3.5.4
3.5.5
3.5.6
3.5.7
3.5.8
3.5.9
3.5.10
3.5.11
3.5.12
3.5.13
3.5.14
3.5.15
3.5.16
3.5.17
3.5.18
3.5.19
3.5.20
3.5.21
3.5.22
3.5.23
3.5.24
3.5.25
3.5.26
3.5.27
3.5.28
3.5.29
3.5.30
3.5.31
3.5.32
3.5.33
3.5.34
3.5.35
UH-00 - Malfunction of system ..................................................................................................................... 44
3.6
Symptom based troubleshooting ................................................................................................................................... 45
3.6.1
Operation does not start................................................................................................................................ 45
3.6.2
Operation sometimes stops ........................................................................................................................... 45
3.6.3
3.6.4
Operating noise and vibrations ...................................................................................................................... 47
3.6.5
Abnormal high pressure ................................................................................................................................. 48
3.6.6
Abnormal low pressure .................................................................................................................................. 49
3.6.7
3.6.8
3.6.9
3.6.10
Unit discharges white mist ............................................................................................................................. 52
3.6.11
Humidifying problem...................................................................................................................................... 52
3.6.12
Swing flap does not operate .......................................................................................................................... 52
7
7
8
8
15
16
RXJ20~50A + FTXJ-A(W)(S)(B)
Split Emura 3 R32
ESIE22-04B - 2022.08