Danfoss Optyma iCO2 User Manual page 71

User Guide | Optyma™ iCO2
Error code
Remote control:
No display
7-segment display:
1.Applicable model
All models
2.Error detection method
3. Condition of error displayed
4.Presumable cause
Note:
© Danfoss | Climate Solutions | 2023.01 | LCA012A030
LED Green
Condensing
Stay
unit
OFF
No display
5. Troubleshooting
not only from condensing unit
any looseness on installation of
Red
Content
Anomalous sound and vibration (1)
Stay
OFF
Diagnosis
Is the
anomalous sound heard
during operation or just
after stopping operation
of condensing unit?
YES
Does the
anomalous sound come
but also from the
whole building?
YES
Is there
condensing unit?
NO
Do the
pipings installed on site
contact each other
at some parts?
YES
Countermeasure
Condensing unit is not a
NO
cause.
If option parts is used ,
check the secure connection
of them.
Go to next page.
NO
Anchor the condensing unit
YES
securely
If the vibration from the
NO
condensing unit is caused,
please connect the pipings
with flexible pipe.
Rectify the contact of
piping.
BC408445719305en-000101 | 71