SiEN34-705 Appendix
General Information 203
7.14.10 Malfunction "F6" is Displayed during Check Operation in the Winter
Season.
Applicable
Models
RX(Y)(Q) ~ P (VRV III series)
Condition A malfunction "F6" (overcharge of refrigerant) is displayed when a "check operation" is
executed as a test operation under the condition of low outdoor temperature in the winter
season.
Cause Due to temporary refrigerant mixing into refrigerating oil, misjudgment is made when a "check
operation" is executed under the condition of low outdoor temperature.
Measure The condition completes by executing the "check operation" again.
Point of
Diagnosis
Be sure to execute a "check operation" with the front panel closed. Or, misjudgment is made
even if the outdoor temperature is low.
Conditions Possible misjudgment
Low outdoor temperature F6
High outdoor humidity E3, E4. UF