Unico i Series User Manual

Error
Code
Priority
*
Meaning
LEDs
RED
(D1 or LD2)
BLUE
(DL2 or LD3)
GREEN
(DL1 or LD1)
-
(Normal Operation)
Unit is stopped.



-
(Normal Operation)
Unit is stopped, indoor units are ready to run.



-
(Normal Operation)
Unit is running.



-
Airflow Indicator
Short Flash = 50CFM.
Medium Flash = 100CFM.
Long flash = RPM Limit reached.



0
*
Mode of Operation Conflict



1
Unit is being programmed, or firmware is faulty



2
Fault on outdoor unit (check outdoor unit LEDs
to identify error code)



3
Float switch alarm



4
Communication error with outdoor unit



5
ICT sensor damaged or disconnected



6
RAT sensor damaged or disconnected



7
Communication error with the blower or blower
damaged



8
Invalid Indoor-Outdoor Unit Combination



9
Manual Heat is Active



10
Refrigerant Port Auto-Addressing in Progress
/

/
*
Error #0 = Lowest priority. If more than one error is present,
only the highest priority error is shown. 
    = Solid
    = Blinking
    = Off


Unico i Series Specifications

General

Brand	Unico
Model	i Series
Category	Heat Pump
Language	English