Daikin CO2 Conveni-pack LRYEN10A7Y1 Installer And User Reference Manual page 125

Main code LRYEN10* LRNUN5* Cause
O
O
O
O
O
LRYEN10A7Y1+LRNUN5A7Y1
CO₂ Conveni-Pack outdoor unit
4P605460-1 – 2020.08
O Malfunction of discharge/
compressor body temperature
sensor
For LRYEN10*:
▪ (R31T) - A1P (X19A)
▪ (R32T) - A1P (X33A)
▪ (R33T) - A2P (X19A)
▪ (R91T) - A1P (X19A)
▪ (R92T) - A1P (X33A)
▪ (R93T) - A2P (X19A)
For LRNUN5*:
▪ (R3T) - A1P (X19A)
▪ (R9T) - A1P (X19A)
O Malfunction of suction temperature
sensor
For LRYEN10*:
▪ (R21T) - A1P (X29A)
▪ (R22T) - A1P (X23A)
▪ (R23T) - A2P (X29A)
For LRNUN5*:
▪ (R2T) - A1P (X29A)
O Malfunction of the gas cooler outlet
temperature thermistor
For LRYEN10* and LRNUN5*:
▪ (R4T) – A1P (X35A)
O Malfunction of the economizer
outlet temperature thermistor
For LRYEN10*:
▪ (R8T) – A1P (X30A)
For LRNUN5*:
▪ (R6T) – A1P (X35A)
O Malfunction of the liquid (after sub-
cool) temperature thermistor
For LRYEN10*:
▪ (R7T) – A1P (X30A)
For LRNUN5*:
▪ (R7T) – A1P (X35A)
▪ (R5T) – A1P (X35A)
24 Troubleshooting
|
Solution
Check connection on PCB or
actuator.
Check connection on PCB or
actuator.
Check connection on PCB or
actuator.
Check connection on PCB or actuator
Check connection on PCB or
actuator.
Installer and user reference guide
125