You are turning on your Comet pressure washer and it is not turning on, is not working, is not supplying or heating water – it’s a sign of the breakage. First of all, you need to determine the cause and 2 tables below will help you. Each of them is devoted to the problems of a particular model of pressure washer of this brand. This manual could help to find out the causes of failure and choose a way to repair it yourself.
Comet ETM 71 pressure washer troubleshooting
|The high-pressure cleaner vibrates a lot and is noisy.||Water inlet filter dirty.||Follow the indications of the “ROUTINE MAINTENANCE” paragraph.|
|Suction of air.||Check the integrity of the suction circuit.|
|Not enough water supply or too much priming depth.||Make sure the tap is completely open and that the water mains flow or priming depth are in conformity with the indications of the paragraph “OPERATION – PRELIMINARY ACTIVITIES” fig. 5 – Operation G.|
|The high-pressure cleaner fails to reach maximum pressure.||Unloader/regulation valve set at a lower value than the maximum one.
[ETM 100, ETM 130, ETM 150] Nozzle holder head in low- pressure mode .
|Turn the knob clockwise.|
|Worn nozzle.||Replace the nozzle|
|Not enough water supply or too much priming depth.||Make sure the tap is completely open and that the water mains flow or priming depth are in conformity with the indications|
|Faulty operation of the BA type water mains disconnector||See table in relative instruction manual.|
|Low detergent suction||[ETM 100, ETM 130, ETM 150] Detergent suction filter clogged.||Follow the indications of the “ROUTINE MAINTENANCE” paragraph.|
|[ETM 100, ETM 130, ETM 150] Detergent too viscous.||Use a detergent recommended by the Manufacturer, and dilute in accordance with plate instructions.|
|No water comes out of the nozzle.||No water.||Make sure the water mains tap is completely open or the suction hose can prime.|
|Faulty operation of the BA type water mains disconnector.||See table in relative instruction manual.|
|Too much suctioning depth.||Make sure the priming depth is in conformity with the indications of the paragraph “OPERATION – PRELIMINARY ACTIVITIES”|
|Water nozzle clogged.||Clean and/or replace the nozzle as indicated in the “ROUTINE MAINTENANCE” paragraph.|
|The high-pressure cleaner stops during operation.||Tripping of system cutout device to which the high-pressure cleaner is connected (fuse, RCCB, etc).||Reset the cutout device.
IN CASE THIS TRIPS AGAIN, DO NOT USE THE HIGH-PRESSURE CLEANER AND CONTACT A SKILLED TECHNICIAN.
|Tripping of the ampere cut-out protection device.||Follow the indications of the “SAFETY DEVICES” paragraph.|
|The high-pressure cleaner starts again spontaneously.||Leaking and/or dripping in the delivery circuit.||Check the integrity of the delivery circuit.|
|When the master switch is turned, the motor hums but does not start||Electrical system and/or extension inadequate.||Make sure the power line connection instructions have been followed (see the INSTRUCTION MANUAL – SAFETY PRECAUTIONS), with special reference to the extension used.|