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14 Troubleshooting
14.1
Error codes: Overview............................................................... 30
14.2
Symptoms that are NOT system malfunctions .......................... 30
14.2.1
Symptom: The system does not operate .................... 30
14.2.2
Symptom: Cool/Heat cannot be changed over ........... 30
14.2.3
Symptom: Fan operation is possible, but cooling and
heating do not work..................................................... 30
14.2.4
Symptom: The fan strength does not correspond to
the setting ................................................................... 31
14.2.5
Symptom: The fan direction does not correspond to
the setting ................................................................... 31
14.2.6
Symptom: White mist comes out of a unit (Indoor
unit) ............................................................................. 31
14.2.7
Symptom: White mist comes out of a unit (Indoor
unit, outdoor unit) ........................................................ 31
14.2.8
Symptom: The user interface display reads "U4" or
"U5" and stops, but then restarts after a few minutes. 31
14.2.9
Symptom: Noise of air conditioners (Indoor unit)........ 31
14.2.10 Symptom: Noise of air conditioners (Indoor unit,
outdoor unit)................................................................ 31
14.2.11 Symptom: Noise of air conditioners (Outdoor unit) ..... 31
14.2.12 Symptom: Dust comes out of the unit ......................... 31
14.2.13 Symptom: The units can give off odours..................... 31
14.2.14 Symptom: The outdoor unit fan does not spin ............ 31
14.2.15 Symptom: The display shows "88".............................. 31
14.2.16 Symptom: The compressor in the outdoor unit does
not stop after a short heating operation ...................... 31
14.2.17 Symptom: The inside of an outdoor unit is warm
even when the unit has stopped ................................. 31
14.2.18 Symptom: Hot air can be felt when the indoor unit is
stopped ....................................................................... 31
15 Relocation
16 Disposal
For the installer
2
About the box
2.1
Outdoor unit
2.1.1
To remove the accessories from the
outdoor unit
1 Remove the service cover. See
unit" on
page 8.
RXYSQ6T8Y1B9
VRV IV-S system air conditioner
4P482276-1 – 2017.04
29
31
31
"5.1.1 To open the outdoor
1 About the documentation
1
About the documentation
1.1
About this document
Target audience
Authorised installers + end users
INFORMATION
This appliance is intended to be used by expert or trained
users in shops, in light industry and on farms, or for
commercial use by lay persons.
Documentation set
This document is part of a documentation set. The complete set
consists of:
▪ General safety precautions:
▪ Safety instructions that you must read before installing
▪ Format: Paper (in the box of the outdoor unit)
▪ Outdoor unit installation and operation manual:
▪ Installation and operation instructions
▪ Format: Paper (in the box of the outdoor unit)
▪ Installer and user reference guide:
▪ Preparation of the installation, reference data,...
▪ Detailed step-by-step instructions and background information
for basic and advanced usage
▪ Format: Digital files on
http://www.daikineurope.com/support-
and-manuals/product-information/
Latest revisions of the supplied documentation may be available on
the regional Daikin website or via your dealer.
The original documentation is written in English. All other languages
are translations.
Technical engineering data
▪ A subset of the latest technical data is available on the regional
Daikin website (publicly accessible).
▪ The full set of latest technical data is available on the Daikin
extranet (authentication required).
2 Remove the accessories.
a
+
a
General safety precautions
b
Outdoor unit installation and operation manual
c
Fluorinated greenhouse gases label
d
Multilingual fluorinated greenhouse gases label
e
Gas piping accessory 1 + copper gasket
f
Gas piping accessory 2
g
Gas piping accessory 3
b
c
d
1×
1×
1×
e
f
g
1×
1×
Installation and operation manual
1×
1×
5
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