Cordless Vacuum Cleaner-KingClean Electric Co., Ltd.

H10 Pro Trouble Shooting

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

Problems	Possible Reasons	Solution
Motor does not work	● Battery has no power	● Charge the vacuum cleaner
Motor does not work	● Metal tube,floorhead, battery pack and vaccum cleaner is not assembled correctly	● Check the accessories are assembled correctly to the vacuum cleaner
Suction drops	● Dust cup full	● Clean dust cup
	● Filter blocked	● Clean or replace filter
	● Floorhead air path blocked	● Clean floorhead air path
Short working time after charging	● Machine not fully charged	● Follow instruction manual to fully charge the battery
Short working time after charging	● Battery old aging	● New batteries can be bought from local distributor
Dust content indicator is always red	● Dust sensor covered by dust	● Clean the dust on the dust sensor which is located in the suction inlet of the handheld vacuum cleaner

H10 Flex Trouble Shooting

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

Problems	Possible Reasons	Solution
Motor does not work	● Battery has no power	● Charge the vacuum cleaner
Motor does not work	● Metal tube,floorhead, battery pack and vaccum cleaner is not assembled correctly	● Check the accessories are assembled correctly to the vacuum cleaner
Suction drops	● Dust cup full	● Clean dust cup
	● Filter blocked	● Clean or replace filter
	● Floorhead air path blocked	● Clean floorhead air path
Short working time after charging	● Machine not fully charged	● Follow instruction manual to fully charge the battery
Short working time after charging	● Battery old aging	● New batteries can be bought from local distributor
Dust content indicator is always red	● Dust sensor covered by dust	● Clean the dust on the dust sensor which is located in the suction inlet of the handheld vacuum cleaner

H9 Flex Trouble Shooting

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

When there is electric components defect,which needs professional after service person for instruction or repairing, LED screen will display the defect warning with error code of F1 to F8. Please contact after service of local agent and provide error code.

Problems	Possible Reasons	Solution
Motor does not work	● Battery has no power	● Charge the vacuum cleaner
Motor does not work	● Metal tube,floorhead, battery pack and vaccum cleaner is not assembled correctly	● Check the accessories are assembled correctly to the vacuum cleaner
Suction drops	● Dust cup full	● Clean dust cup
	● Filter blocked	● Clean or replace filter
	● Floorhead air path blocked	● Clean floorhead air path
Short working time after charging	● Machine not fully charged	● Follow instruction manual to fully charge the battery
Short working time after charging	● Battery old aging	● New batteries can be bought from local distributor
Dust content indicator is always red	● Dust sensor covered by dust	● Clean the dust on the dust sensor which is located in the suction inlet of the handheld vacuum cleaner

H8 Flex Trouble Shooting

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

Problems	Possible Reasons	Solution
Trouble	● Possible Causes	● Solutions
Motor does not work	● Battery has no power	● Charge the vacuum cleaner
Motor does not work	● Metal tube,floorhead, battery pack and vaccum cleaner is not assembled correctly	● Check the accessories are assembled correctly to the vacuum cleaner
Suction drops	● Dust cup full	● Clean dust cup
	● Filter blocked	● Clean or replace filter
	● Floorhead air path blocked	● Clean floorhead air path
Short working time after charging	● Machine not fully charged	● Follow instruction manual to fullycharge the battery
Short working time after charging	● Battery old aging	● New batteries can be bought fromlocal distributor
Dust content indicator is always red	● Dust sensor covered by dust	● Clean the dust on the dust sensor which is located in the suction inlet of the handheld vacuum cleaner

H9 Pro Trouble Shooting

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

Trouble	Possible Causes	Solutions
Motor does not work	●Battery has no power ●Metal tube, floorhead, battery pack and vaccum cleaner is not assembled correctly.	●Charge the vacuum cleaner ●Check the accessories are assembled correctly to the vacuum cleaner.

Suction drops	●Dust cup full ●Filter blocked ●Floorhead air path blocked	●Clean dust cup ●Clean or replace filter ●Clean floorhead air path


Short working time after charging	●Machine not fully charged	●Follow instruction manual to fully charge the battery.
	●Battery old aging	●New batteries can be bought from local distributor

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.

HW8 Pro Trouble Shooting

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.

H8 Pro Trouble Shooting

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

Trouble	Possible Causes	Solutions
Motor does not work	●Battery has no power ●Metal tube, floorhead, battery pack and vaccum cleaner is not assembled correctly.	●Charge the vacuum cleaner ●Check the accessories are assembled correctly to the vacuum cleaner.

Suction drops	●Dust cup full ●Filter blocked ●Floorhead air path blocked	●Clean dust cup ●Clean or replace filter ●Clean floorhead air path


Short working time after charging	●Machine not fully charged	●Follow instruction manual to fully charge the battery.
	●Battery old aging	●New batteries can be bought from local distributor

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.

H8 Trouble Shooting

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

Trouble	Possible Causes	Solutions
Motor does not work	●Battery has no power ●Metal tube, floorhead, battery pack and vaccum cleaner is not assembled correctly.	●Charge the vacuum cleaner ●Check the accessories are assembled correctly to the vacuum cleaner.

Suction drops	●Dust cup full ●Filter blocked ●Floorhead air path blocked	●Clean dust cup ●Clean or replace filter ●Clean floorhead air path


Short working time after charging	●Machine not fully charged	●Follow instruction manual to fully charge the battery.
	●Battery old aging	●New batteries can be bought from local distributor

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.

JV85 Pro Trouble Shooting

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

Trouble	Possible Causes	Solutions
Motor does not work	●Battery has no power ●Metal tube, floorhead, battery pack and vaccum cleaner is not assembled correctly.	●Charge the vacuum cleaner ●Check the accessories are assembled correctly to the vacuum cleaner.

Suction drops	●Dust cup full ●Filter blocked ●Floorhead air path blocked	●Clean dust cup ●Clean or replace filter ●Clean floorhead air path


Short working time after charging	●Machine not fully charged	●Follow instruction manual to fully charge the battery.
	●Battery old aging	●New batteries can be bought from local distributor

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.

JV85 Trouble Shooting

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

Trouble	Possible Causes	Solutions
Motor does not work	●Battery has no power ●Metal tube, floorhead, battery pack and vaccum cleaner is not assembled correctly.	●Charge the vacuum cleaner ●Check the accessories are assembled correctly to the vacuum cleaner.

Suction drops	●Dust cup full ●Filter blocked ●Floorhead air path blocked	●Clean dust cup ●Clean or replace filter ●Clean floorhead air path


Short working time after charging	●Machine not fully charged ●Battery old aging	●Follow instruction manual to fully charge the battery. ●New batteries can be bought from local distributor

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.

JV83 Pro Trouble Shooting

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

Problem	Possible cause	Solution
Motor does not work	● Battery has no power	● Charge the vacuum cleaner
Motor does not work	● Metal tube, floorhead, bttery pack and vacuum cleaner is not assembled correctly	● Check the accessories are assembled correctly to the vacuum cleaner
Suction drops	● Dust cup is full	● Clean dust cup
	● Filter blocked	● Clean or replace filter
	● Floorhead air path blocked	● Clean floorhead air path
Short run time after charging	● Battery not fully charged	● Following istruction manual to fully charge the battery
Short run time after charging	● Battery old aging	● New batteries can be bought from local distributor

JV83 Trouble Shooting

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

Symptoms	Possible Causes	Solutions
Motor is not working	● Battery has no power ● Metal tube, electric floor had, battery pack is not assembled correctly to the main body	● Charge the vacuum cleaner ● Check the accessories are assembled correctly to the main body


Low suction	● Dust cup is full ● Filter is blocked by dust ● Floor head hose or brushroll blocked	● Empty dust cup ● Clean or replace HEPA ● Clean the floorhead


Short run time after charging	● Battery not fully charged ● Battery old aging	● Follow instruction manual to fully charge the battery ● Replace new battery

Attention: If any other failures occurred, which need professional tools, in order to avoid danger, the machine must be repaired or replaced by manufacturer, other maintenance offices or professionals from similar offices.

JV65 Trouble Shooting

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

Symptoms	Possible Causes	Solutions
Machine not working	●Battery has no power ●Metal tube, electric floor had, is not assembled correctly to the vacuum cleaner	●Charge the vacuum cleaner ●Check the accessories are assembled correctly to the vacuum cleaner

Machine stops working during use	● Main motor temperature overheat and activates temperature protection	●Turn off machine for 5 to 10 minutes. ●Check whether cyclone systems needs cleaning

Brushroll stops running during use	● Floorhead overloaded(Such as working on carpet、too much hair entangled around brushroll)	●Turn off machine for 5 to 10 minutes. ●Check whether brushroll needs cleaning

Machine drops from strong to normal mode automatically	● Cyclone system is blocked and activates main motor over speed protection	● Clean dust cup and cyclone system
Suction drops	●Dust cup full ●Filter blocked ●Floorhead air path blocked	●Clean dust cup and cyclone ●Clean or replace filter ●Clean floorhead air path


Charging indicators red and green light flickers alternately during charging	●Charger has loose contact to machine or power socket	● Replug charger to machine and power socket.
Short working time after charging	●Machine not fully charged ●Battery old aging	●Follow instruction manual to fully charge the battery ●Replace battery

JV63 Trouble Shooting

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

Symptoms	Possible Causes	Solutions
Machine not working	●Battery has no power ●Metal tube, electric floor had, is not assembled correctly to the vacuum cleaner	●Charge the vacuum cleaner ●Check the accessories are assembled correctly to the vacuum cleaner

Machine stops working during use	● Main motor temperature overheat and activates temperature protection	●Turn off machine for 5 to 10 minutes. ●Check whether cyclone systems needs cleaning

Brushroll stops running during use	● Floorhead overloaded(Such as working on carpet、too much hair entangled around brushroll)	●Turn off machine for 5 to 10 minutes. ●Check whether brushroll needs cleaning

Machine drops from strong to normal mode automatically	● Cyclone system is blocked and activates main motor over speed protection	● Clean dust cup and cyclone system
Suction drops	●Dust cup full ●Filter blocked ●Floorhead air path blocked	●Clean dust cup and cyclone ●Clean or replace filter ●Clean floorhead air path


Charging indicators red and green light flickers alternately during charging	●Charger has loose contact to machine or power socket	● Replug charger to machine and power socket.
Short working time after charging	●Machine not fully charged ●Battery old aging	●Follow instruction manual to fully charge the battery ●Replace battery

JV53 Trouble Shooting

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

Symptoms	Possible Causes	Solutions
Motor is not working	● Battery has no power ● Metal tube, electric floor had, battery pack is not assembled correctly to the main body	● Charge the vacuum cleaner ● Check the accessories are assembled correctly to the main body

Low suction	● Dust cup is full ● HEPA is blocked by dust ● Floor head hose or brushroll blocked	● Empty dust cup ● Clean or replace HEPA ● Clean the floorhead


Charging indicator did not turn red during charging	● Battery pack is not well assembled	Reassemble battery pack
Short run time after charging	● Battery not fully charged ● Battery old aging	● Follow instruction manual to fully charge the battery ● Replace new battery

JV51 Trouble Shooting

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

Symptoms	Possible Causes	Solutions
Motor is not working	● Battery has no power ● Metal tube, electric floor had, battery pack is not assembled correctly to the main body	● Charge the vacuum cleaner ● Check the accessories are assembled correctly to the main body

Low suction	● Dust cup is full ● HEPA is blocked by dust ● Floor head hose or brushroll blocked	● Empty dust cup ● Clean or replace HEPA ● Clean the floorhead


Charging indicator did not turn red during charging	● Battery pack is not well assembled	Reassemble battery pack
Short run time after charging	● Battery not fully charged ● Battery old aging	● Follow instruction manual to fully charge the battery ● Replace new battery