Table Of Contents - Daikin Modular L Smart Service Manual

ESIE19-06 |
Part 1. Introduction ....................................................................................................................7
1.1. Version log .................................................................................................................................................7
1.2. Safety precautions .....................................................................................................................................8
1.2.1. Meaning of symbols ....................................................................................................................................... 8
1.2.2. Warnings ........................................................................................................................................................ 8
1.2.3. Cautions ....................................................................................................................................................... 10
1.2.4. Information ................................................................................................................................................... 10
1.3. General operation ....................................................................................................................................11
1.4. How to use ...............................................................................................................................................14
1.4.1. Interactive information flow ........................................................................................................................... 14
1.4.2. Parts of the book .......................................................................................................................................... 15
1.4.2.1. The introduction chapter .......................................................................................................................... 15
1.4.2.2. The troubleshooting chapter .................................................................................................................... 15
1.4.2.3. The repair chapter .................................................................................................................................... 15
1.4.2.4. The maintenance chapter ........................................................................................................................ 15
1.4.2.5. Appendices .............................................................................................................................................. 15
1.4.3. Contact information ...................................................................................................................................... 15
Part 2. Troubleshooting ...........................................................................................................17
2.1. Error codes check ....................................................................................................................................17
2.1.1. Error codes via remote controller ................................................................................................................. 17
2.1.1.1. Error codes via wired remote controller BRC1E ...................................................................................... 17
2.1.1.2. How to reset error codes .......................................................................................................................... 18
2.1.1.3. History of error codes ............................................................................................................................... 18
2.2. Error based troubleshooting .....................................................................................................................20
2.2.1. HRV unit ....................................................................................................................................................... 23
2.2.1.1. "6A" - Damper motor malfunction ............................................................................................................ 23
2.2.1.2. "60" - External protection device activated .............................................................................................. 23
2.2.1.3. "64" - Air return thermistor faulty ............................................................................................................. 24
2.2.1.4. "65" - Air intake thermistor faulty ............................................................................................................. 24
2.2.1.5. "A1-01" - PCB abnormality ...................................................................................................................... 25
2.2.1.6. "A6-00" - Fan motor abnormality ............................................................................................................. 25
2.2.1.7. "A8-00" - Power supply malfunction ........................................................................................................ 25
2.2.1.8. "AJ-00" - Capacity setting abnormality .................................................................................................... 26
2.2.1.9. "CH-00" - CO2 sensor warning ............................................................................................................... 26
2.2.1.10. "CJ-00" - Remote controller thermistor abnormality .............................................................................. 27
2.2.1.11. Smart Gateway ...................................................................................................................................... 27
2.2.2. System ......................................................................................................................................................... 28
2.2.2.1. "U5-00" - Transmission user interface PCB abnormality ......................................................................... 28
2.2.2.2. "U8-00" - Main-Sub control error ............................................................................................................. 28
2.2.2.3. "UA-00" - Wrong user interface used ...................................................................................................... 29
2.2.2.4. "UC-00" - Duplication group number address ......................................................................................... 29
2.2.2.5. "UE-00" - Transmission fault indoor-central control device ..................................................................... 30
2.3. Symptom based troubleshooting .............................................................................................................31
2.3.1. Unit does not operate ................................................................................................................................... 31
2.3.2. Operation sometimes stops .......................................................................................................................... 31
2.3.3. Equipment operates but does insufficient air flow ........................................................................................ 32
2.3.4. Large operation noise and vibration ............................................................................................................. 32
2.4. Component checklist ................................................................................................................................33
2.4.1. HRV unit ....................................................................................................................................................... 33
2.4.1.1. Control PCB ............................................................................................................................................. 33
2.4.1.2. Damper motor + limit switch .................................................................................................................... 35
2.4.1.3. Air thermistor ............................................................................................................................................ 36
2.4.1.4. Smart Gateway ........................................................................................................................................ 38
21/01/20 | Version 1.1
Modular L Smart
Page 3