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AFTER-SALES SERVICE

This VHProtector has been strictly inspected and 
passed factory quality-control. If the new device is 
unable to operate as designed, please contact your 
supplier. 

WARRANTY COVERAGE

One-year warranty for the whole machine and 
one-year for major parts, except for normal 
wear-and-tear. The main components include the 
battery, charger, high-voltage generator, and water 
pump. One-month warranty on all wear parts. Wear 
parts include seals, nozzles, etc.

The battery IS NOT covered under warranty if it is 
over-discharged, or improper charging 
maintenance causes a shortened battery life. 
Additionally, the battery IS NOT covered under 
warranty if there is an electrical surge while 
charging the battery.

The pump IS NOT covered under warranty due to 
external forces, corrosive liquid immersion, or 
chemical impurities.

If repairs are required, please contact your supplier.

In the event of human-caused damage during the 
warranty period, warranty personnel may charge 
for the cost of repair.

9.

8.

No

Problems

Causes

Fixes

1

The nozzle is 
not spraying, 
or low 
flow-rate

1) The filter at the 
bottom of the inlet 
hose is blocked.

1) Clean the filter at the 
bottom of the inlet hose.

2) The inlet valve is 
blocked.

2) Pass the inlet valve 
with thin wire.

3) The nozzle is 
blocked.

3) Replace or clean the 
nozzle.

4) The battery has low 
power.

4) Charge or replace the 
battery.

5) The pipeline is 
blocked.

5) Have a professional 
disassemble gun to 
clean or replace the 
pipeline.

2

Spray is not 
normal

1) The nozzle is not 
tightened properly.

1) Tighten/Loosen nozzle 
with supplied tool.

2) The nozzle is 
damaged.

2) Replace the nozzle

3) Diaphragm pump 
problem

3) Repair the diaphragm 
by a professional.

3

Spray not 
working

1) Battery has no 
charge.

1) Charge or replace the 
battery.

2) The fuse is loose

2) Replace the fuse.

3) Poor spray trigger 
contact.

3) Repair or replace the 
trigger switch.

PROBLEMS / CAUSES / FIXES

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