Troubleshooting SiBE04-624_B106 Service Diagnosis2.21 Incomplete Setting for Hose LengthError Code UAMethod of ErrorDetectionThis fault occurs when the humidification hose length is not stored in the EEPROMs of theindoor unit and the outdoor unit.(Hose length is not stored at initial power on.)Error DecisionConditions When the humidification hose length is not stored in EEPROMs of the indoor unit and theoutdoor unit.SupposedCauses Hose length is not set. Hose length is erased by replacement of the indoor unit PCB and the outdoor unit PCB.(When both the indoor unit PCB and the outdoor unit PCB are replaced simultaneously, theset value is erased.)TroubleshootingHow to check the preset hose length(R13921)CautionCheck the preset hose lengthwith the remote controller.Has the hose lengthbeen set?YESNOBe sure to turn off the power switch before connecting or disconnectingconnectors, or parts may be damaged.Set the hose length with theremote controller.To other "UA" faultdiagnosis1) Press the [CLOCK] button for 5 seconds.→ is displayed.2) Press the [SELECT] V or W button and select .3) Press the [CLOCK] button to activate the hose length setting mode.→ The display shows the preset hose length.When the hose length is not set, is displayed.4) Press the [SELECT] V or W button and select hose length.You can select hose length from [~ 3 m] [3.1 ~ 4 m] [4.1 ~ 6 m] [6.1 ~ 8 m] [8.1 ~ 10 m].5) Press the [CLOCK] button to set the hose length.6) To return to the normal mode, press the [CLOCK] button for 5 seconds or leave the remotecontroller for 60 seconds.
