Error Code DescriptionL03 Duplicated indoor header unitsL04 Duplicated outdoor line addressL05 Duplicated indoor units with priority (Displayed in indoor unit with priority)L06 Duplicated indoor units with priority (Displayed in unit other than indoor unit with priority)L07 Group line in individual indoor unitL08 Indoor group/Address unsetL09 Indoor capacity unsetL10 Outdoor capacity unsetL20 Duplicated central control addressesL28 Maximum number of outdoor units exceededL29 No. of IPDU errorL30 Auxiliary interlock in indoor unitL31 IC errorP01 Indoor fan motor errorP03 Discharge temp. TD1 errorP04 High-pressure switch detection errorP05 Phase-missing detection / Phase order errorP07 Heat sink overheat errorP10 Indoor overflow errorP12 Indoor fan motor errorP13 Outdoor liquid back detection errorP15 Gas leak detectionP17 Discharge temp. TD2 errorP19 4-way valve inverse error,P20 High-pressure inverse errorP22 Outdoor fan IPDU errorP26 G-Tr short circuit protection errorP29 Comp position detection circuit errorP31 Follower indoor unit error (Group error)Note: For further information regarding the above error codes, please contact your local Toshiba A/C supplier, orToshiba A/C technical support.21RBCTBPTS SMART Touch Controller Installation & Owners Manual