83WARNINGBe careful not to touch parts other than RCCB/ELCB test button when the power is supplied to Indoor Unit. Else, electrical shockmay happen.o Push the “TEST” button on the RCCB/ELCB. The lever would turn down and indicate “0” and indicategreen colour if it functions normal.o Contact authorized dealer if the RCCB/ELCB malfunction.o Turn off the power supply to the indoor unit.o If RCCB/ELCB functions normal, set the lever to “ON” again after testing finish.6. Reset overload protectorOverload protector serves the safety purpose to prevent the water over heating. When the overload protectortrip at high water temperature, take below steps to reset it.a. Take out OLP cover.b. Use a test pen to push the centre button gently in order to reset the Overload protector.c. After finish, install back the Overload protector following the reverse order of step a & b.How to reset Overload protectorUse test pen topush this buttonfor reset Overloadprotector.7. External water filter (field supply)Clean the external water filter in regularly basic.o External water filter is located inside the tube connector which is before water inlet connector of Monobloc unit (indicated with “WATER IN”). (Refer to figure below)o Use spanner to detach the tube connector nut.o Take out the filter carefully so that not deforms it shape.o Use tap water only to wash the residue on the filter. If necessary, gently use soft brush only to clean thehard dirt.o After clean, put it back to the original location and tighten the nut connection with torque wrench.Location Of External Water FilterWater OutletWater InletWater InletConnectorExternalWater FilterNut