Vacuum & Washer-KingClean Electric Co., Ltd.

HW10 Pro troubleshooting

Please check the following issues before sending to designated repair agent.

Problem	Possible cause	Solution
Can not start or stop during use	● Low battery power ● On/off button is not pressed down ● Brushroll is entangled ● Dirty water tank full ● Battery pack not assembled properly ● Suction inlet blocked	● Recharge battery ● Press down on/off button ● Clean brushroll ● Clean dirty water tank ● Reassemble battery pack ● Clean suction inlet and filter





Weak suction	● Suction inlet blocked ● No HEPA assembled	● Clean suction inlet and filter ● Assemble HEPA

Abnormal noise	● Suction inlet blocked ● No HEPA assembled	● Clean suction inlet and filter ● Assemble HEPA

Spray mouth does not spray water	● Clean water tank empty ● Water spray button not pressed ● Clean water tank not assembled properly	● Fill clean water tank ● Press water spray button ● Reassemble clean water tank


Water spray out from air path	● HEPA and dust cup are put to use without fully dry ● Metal filter is not assembled in the dirty water tank ● Soft plastic folds under the filter	● Dry the HEPA and dust cup after washing before use ● Assemble metal filter in dirty water tank ● Reassemble the filter, the soft glue must not be folded

HW9 Pro Troubleshooting

Please check the following points before contacting the after sale service.

Problem	Possible cause	Solution
Can not start or stop during use	● Low battery power ● On/off button is not pressed down ● Brushroll is entangled ● Dirty water tank full ● Battery pack not assembled properly ● Suction inlet blocked	● Recharge battery ● Press down on/off button ● Clean brushroll ● Clean dirty water tank ● Reassemble battery pack ● Clean suction inlet and filter





Weak suction	● Suction inlet blocked ● No HEPA assembled	● Clean suction inlet and filter ● Assemble HEPA

Abnormal noise	● Suction inlet blocked ● No HEPA assembled	● Clean suction inlet and filter ● Assemble HEPA

Spray mouth does not spray water	● Clean water tank empty ● Water spray button not pressed ● Clean water tank not assembled properly	● Fill clean water tank ● Press water spray button ● Reassemble clean water tank


Water spray out from air path	● HEPA and dust cup are put to use without fully dry ● Metal filter is not assembled in the dirty water tank ● Soft plastic folds under the filter	● Dry the HEPA and dust cup after washing before use ● Assemble metal filter in dirty water tank ● Reassemble the filter, the soft glue must not be folded

HW9 Troubleshooting

Please check the following issues before sending to designated repair agent.

Problem	Possible cause	Solution
Can not start or stopduring use	● Low battery power ● On/off button is not pressed down ● Brushroll is entangled ● Dirty water tank full ● Battery pack not assembled properly ● Suction inlet blocked	● Recharge battery ● Press down on/off button ● Clean brushroll ● Clean dirty water tank ● Reassemble battery pack ● Clean suction inlet and filter





Weak suction	● Suction inlet blocked ● No HEPA assembled	● Clean suction inlet and filter ● Assemble HEPA
Weak suction	● Suction inlet blocked ● No HEPA assembled	● Clean suction inlet and filter ● Assemble HEPA
Abnormal noise	● Suction inlet blocked ● No HEPA assembled	● Clean suction inlet ● Assemble HEPA
Abnormal noise	● Suction inlet blocked ● No HEPA assembled	● Clean suction inlet ● Assemble HEPA
Spray mouth does notspray water	● Clean water tank empty ● Water spray button not pressed ● Clean water tank not assembledproperly	● Fill clean water tank ● Press water spray button ● Reassemble clean water tank


Water spray out fromair exhaust	● Filter is put to use without fully dry ● Filter is not assembled in the dirtywater tank ● Soft plastic folds under the filter	● Dry the filter after washing beforeuse ● Assemble filter in dirty water tank ●Reassemble the filter, the soft gluemust not be folded

HW8 troubleshooting

Please check the following issues before sending to designated repair agent.

Problem	Possible Causes	Solutions
Machine does not work	●Low battery power	●Recharge battery
	●On/off button is not pressed down	●Press down on/off button
	●Brushroll is entangled	●Clean brushroll
	●Water in dirty water tank achieves MAX line	●Clean dirty water tank
	●On/off button or mode button is pressed at the same time with water spray button	●Release water spray button, press on/off button or mode button separately
	●Release water spray button, press on/off button or mode button separately	● Release the floorhead and then brushroll can work
Weak suction	●Water in dirty water tank achieves MAX line	●Clean dirty water tank
	●Brushroll window and dirty water tank not assembled properly	●Reassemble brushroll window and dirty water tank
	●Brushroll entangled	●Clean brushroll
	●Filter gets dirty	●Clean or replace filter
	●Lower battery power	●Recharge battery
Abnormal noise	●Suction inlet blocked	●Clean suction inlet
Abnormal noise	●Water in dirty water tank achieves MAX line	●Clean dirty water tank
Floorhead does not spray water	●Clean water tank empty	●Fill clean water tank
	●Water spray button not pressed	●Press water spray button
	●Clean water tank not assembled properly	●Reassemble clean water tank
	●Clean water tank is filled with dirty water and blocked water path	●Do not fill clean water tank with dirty water
Water spray out from air exhaust	●Filter is not dry after washing	●Dry the filter after washing
	●Water in dirty water tank achieves MAX line	●Clean dirty water tank
	●The product was heavily shaked or hits the wall with big force	●Clean dirty water tank
	●Filter is not assembled	●Assemble filter
	●Float is not assembled	●Assemble float
Brushroll stopped rotating and power indicator blinks	●Brushroll is blocked	●Clean brushroll
Error Code F1	●Battery defect	●Replace battery
Error Code F2	●Charger or battery defect	●Use multimeter to measure output voltage of battery pack and charger to check whether it complies rating label.Replace the defective charger or battery.
Error Code F3	●Battery,main motor or PCB defect	●If brushroll rotates and main motor does not work, battery is OK. Disassemble machine to replace motor or PCB. ●If brushroll does not rotate and main motor does not work neither, measure output voltage of battery pack first. If battery output voltage is normal, disassemble the machine to replace motor or PCB.
Error Code F5
Error Code F6
Error Code F7	●Battery Defect ●PCB leadwire gets loose ●Transfer PCB or LED display PCB defect	●Measure output voltage of battery pack first, if output voltage is abnormal, replace battery pack. ●If battery pack output voltage is normal, disassemble the machine and replug connector of all leadwire. ● If the previous two defect are excluded,replace Transfer PCB or LED display PCB.
Error Code F8	●Battery Pack Defect	●Replace battery pack

Attention:if there are other faults needs special tools, in order to avoid danger, must be repaired by professional people of manufacturer, repairing agent or similar agent.

SF8 Troubleshooting

Please check the following points before contacting the after sale service.

Problem	Possible Cause	Solution
Brushroll does not work	●Battery has no power	●Charge the machine
	●Brushroll is pressed by heavy objects or tangled with excessive hair.	●Remove heavy objects and clean brushroll
	● Motor failure	● Replace motor
No water spray out	● Clean water tank empty	● Refill clean water tank
No water spray out	● Object blockage	● Clean the dirty nozzle, clean the dirty water tank
Full indicator lights up	● Dirty water tank full or too dirty	● Empty the dirty water and clean dirty water tank
Empty indicator lights up	● Clean water tank empty	● Fill clean water tank
Display battery power light turns red	● Lower battery power	● Charge the machine