Halcyon 9RLS3 - Page 18

Halcyon HFI Flex Branch Boxes: UTY-PU03A, UTP-PU03B
When an error occurs, an error description displays in the LED (No. 401 – 405).

Lit
 (n) Flashing (number of ashing)

Unlit
Normal Status
Green Red Comment
LED 401 LED 402 LED 403 LED 404 LED 405
    
This box is functioning properly.
Error Status
Green Red Error Description
LED 401 LED 402 LED 403 LED 404 LED 405
    
Connected combination error
    
Power frequency error
    
Branch Box
identifying display
Primary unit:
 (1)
Secondary unit
1:  (2)
Secondary unit2:
(3)
 (1)
  
EEPROM
 (2)
  
Model information error
 (3)
  
• Serial communication error between outdoor unit and branch box
• Serial communication error between branch boxes
 (4)
  
Serial communication error between branch boxes
 (5)
  
Serial communication error between indoor unit A and branch box
  
Serial communication error between indoor unit B and branch box
 
Serial communication error between indoor unit C and branch box
 (6)
  
Indoor Unit A, liquid pipe thermistor error (CN309)
  
Indoor Unit B, liquid pipe thermistor error (CN309)
  
Indoor Unit C, liquid pipe thermistor error (CN310)
 (7)
  
Indoor Unit A, gas pipe thermistor error (CN309)
  
Indoor Unit B, gas pipe thermistor error (CN309)
  
Indoor Unit C, gas pipe thermistor error (CN310)
 (8)
  
Indoor Unit A, EEV control error (CN305)
  
Indoor Unit B, EEV control error (CN306)
  
Indoor Unit C, EEV control error (CN307)
 (9)
  
Remote controller communication error