Why is my Stihl RE 90 not dispensing detergent?
If detergent is not being drawn into your Stihl Pressure Washer, first check if the detergent container is empty and fill it with detergent. If the container is full, the nozzle of the detergent spray set may be blocked and require cleaning.
Why won't my Stihl RE 90 start but hums?
If your Stihl Pressure Washer does not start when switched on and the electric motor hums, try pulling and holding the spray gun trigger while switching on the pressure washer. Also, switch off other loads connected to the same electrical circuit.
What to do if my Stihl RE 90 Pressure Washer turns off while using it?
If your Stihl Pressure Washer switches off during operation, verify that the power supply cord is properly connected to an electrical outlet. If the motor is too warm, allow the pressure washer to cool at ambient temperatures for about 5 minutes. Also, the nozzle may be blocked and require cleaning.
Why won't my Stihl RE 90 start when I squeeze the trigger?
If your Stihl pressure washer does not start even when squeezing the spray gun trigger, ensure the mains plug of the connecting cable or extension cord is properly plugged in. Also, check the circuit-breaker (fuse) or the residual current circuit breaker, and reset it if it has tripped, addressing the cause of the overload. Verify that the socket's fuse rating is adequate and the extension cord has the correct cross-section and length. If the electric motor is too warm, allow the pressure washer to cool for 5 minutes and clean the nozzle.
Why Stihl Washer pump switches on and off by itself?
If the high-pressure pump on your Stihl Washer keeps cycling on and off without you using the spray gun trigger, it could mean there's a leak in the high-pressure pump, hose, or spray attachment. It is recommended to have a STIHL servicing dealer inspect the pressure washer.
Why does the Stihl Washer pressure fluctuate or drop?
If the working pressure of your Stihl Washer is unstable or decreasing, check these items. First, ensure the water tap is fully open and there's enough water supply. Clean the nozzle if it's blocked. Also, inspect and clean the water intake screen and water filter. If these steps don't help, the high-pressure pump, hose, or spray attachment might be leaking or faulty, requiring inspection by a STIHL servicing dealer.
What to do if Stihl Washer switches off during operation?
If your Stihl Washer shuts off during use, check if the plug of the connecting cord or extension cord has come loose from the socket and plug it back in. Also, the circuit-breaker or residual current circuit breaker might have tripped due to an electrical overload or fault; find and fix the cause, then re-engage the breaker, and try switching off other devices on the same circuit.
Why does my Stihl RE 90 Pressure Washer pump cycle on and off?
If your Stihl Pressure Washer's high-pressure pump repeatedly switches on and off without the spray gun trigger being pressed, it is possible that the high-pressure pump, the high-pressure hose or the spray attachment are leaking. Ask a STIHL servicing dealer to check the pressure washer.
What to do if my Stihl Pressure Washer motor buzzes but doesn't start?
If your Stihl Pressure Washer doesn't start but the motor buzzes, the mains voltage might be too low. Try pressing and holding the spray gun trigger while switching on the pressure washer. Also, switch off other devices connected to the same circuit. Ensure your extension cord has the correct cross-section and length.
How to loosen stiff connections on my Stihl RE 90 Pressure Washer?
If the connections with your Stihl pressure washer, high-pressure hose, spray gun, or spray lance are stiff, it may be because the gaskets of the connections have not been greased. Lubricate the gaskets to ease the connections.
General safety precautions for electric high-pressure cleaners and pressure washers.
Details on protective clothing, eye protection, and footwear for safe operation.
Guide to assembling various parts and accessories of the pressure washer.
Steps for connecting the pressure washer to the main water supply.
Procedure for safely turning on the pressure washer.
How to activate and lock the spray gun trigger for operation.
Steps for cleaning the pressure washer unit itself.
Common problems and solutions for the pressure washer.
General| Form factor | Upright |
|---|---|
| Hose length | 6 m |
| Power source | Electric |
| Castor wheels | Yes |
| Product color | Black, Grey, Orange |
| Detergent tank | - |
| Pressure range | High-pressure |
| Protection class | II |
| International Protection (IP) code | IPX5 |
| Maximum pressure | 100 bar |
| Maximum flow rate | 450 l/h |
| Minimum flow rate | 336 l/h |
| Working pressure (max) | 72 bar |
| Maximum water temperature | 40 °C |
| Fuse | 15 A |
| AC input voltage | 127 V |
| AC input frequency | 60 Hz |
| Power consumption (typical) | 1600 W |
Weight and Dimensions| Depth | 290 mm |
|---|---|
| Width | 330 mm |
| Height | 860 mm |
| Weight | 8800 g |
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