1) In order to protect the rights of consumers, our company can provide one-year warranty
service. We can give free maintenance services due to product quality problems in the warranty
period. If the product exceeds warranty period, the company will charge appropriate cost
according to the replacement parts.
2) Maintenance should be with a receipt and warranty card,in order to determine the warranty
period.
3) If there is no receipt, due to self-demolition or artificial damage to the product, its
maintenance costs and parts costs should be borne by the customer.
4) Warranty Card:
Troubleshooting
Number
Common
troubleshooting
The oxygen concentrator
is not working properly
and the power indicator
is not on.
The screen display is
normal, the oxygen
machine does not
emit a normal start
sound
Display normally and
can hear the sound
of normal working.
possible reason
The power cord is not connected to
the power socket
Check if the plug on the power
socket is connected properly.
The power cord is not connected to
the oxygen concentrator or the
power cord is broken.
Oxygen concentrator overheat
protection
Oxygen concentrator computer
board crash
Compressor malfunction
Check the bottom strap
Inlet window filter cotton is too dirty,
blocked
Output hose bent and blocked
Humidification cup is not tight
Internal failure of the oxygen
concentrator
The silencer is not installed correctly
Unplug and reinsert the power
socket or replace a power cord
Turn off, restart after 5 minutes.
Cut the strap and remove it
Reinstall correctly after disassembly
Remove and re-install
Cut off the power switch, Replacement
filter cotton
Contact the distributor or
manufacturer of the home oxygen
concentrator
Cut off the power switch, Replace
the output hose or unfold the
curved hose
Contact the distributor or manufacturer
of the home oxygen concentrator
Make sure that the oxygen
concentrator is placed away from
curtains, heaters, heaters and
fireplaces. And confirm that there is
at least 20 cm clearance between
all sides of the machine and the
wall or other objects.
Power socket is out of power
Replace the socket with power
Solution
Loud noise
Note
：
If The above methods can’t solve the faultiest. Please contact the supplier or
manufacturer. No one can access or change the internal structure and program of the
machine without the manufacturer’s authorization.
Warranty Card
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Page 12 of 28
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