No detergent, Check connection, Detergent is too thick – Karcher K 3.740 User Manual
Page 20: Filter on detergent suction tube is clogged, Run warm water through filter to remove debris, Damaged or clogged detergent suction tube, Spray wand is in high pressure position, Turn spray wand tip to low pressure position, Discharge nozzle is obstructed, Blow out or remove debris with fine needle
No detergent, Check connection, Detergent is too thick | Filter on detergent suction tube is clogged, Run warm water through filter to remove debris, Damaged or clogged detergent suction tube, Spray wand is in high pressure position, Turn spray wand tip to low pressure position, Discharge nozzle is obstructed, Blow out or remove debris with fine needle | Karcher K 3.740 User Manual | Page 20 / 64 This manual is related to the following products: