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Service Guide
Faults Handling
Before inviting someone to inspect or repair, please check the following items.
Faults phenomena Treatment
The display screen shows "E3" The speed is out of control: contact the after-sales
ofce f or treatment.
The display screen shows "EO" Main co ntrol EEPROM hardware failure, and
contact the af ter-sales ofce for treatment.
The display screen shows "E1" The fault is because of disassembly protection,
and the air inlet and outlet grilles are not
assembled properly: assemble
the air inlet grilles and air outlet grilles properly.
The display screen shows "EU" PM2.5 air inlet sensor communication failure:
contact the after-sales ofce for treatment
The purier is not working Firstly, check whether the power cord is plugged
into the power socket, the loose plug caused by
the movement of the
purier may affect the energizing; Secondly, check
whether the air inlet grill and air outlet grill of the
purier are assembled
properly. This appliance is provided with a
disassembly protection function. If the air inlet grill
and air outlet grill are not
assembled properly, the machine cannot work.
The purier has a small amount
of air and is noisy
Firstly, check whether the foreign matters block
the air inlet grill and air outlet grill. If any, remove
those foreign matters;
Then, check whether the Pre-Filter becomes dirty
or reaches the end of its service life; and clean the
Pre-Filter;
Finally, check whether the HEPA Filter is full of
dust or reaches the end of its service life. This
time the replacement
of the HEPA Filter is required.
The air outlet smells odorous When the appliance is operated for the rst time,
it smells slightly plastic, which is normal; If this
appliance works in places
(like smoking area or rotisserie, etc.) with strong
smell for a long time, you need to change the lter
element frequently and
reset it; Check whether the air inlet/outlet grill and
Pre-Filter are full of dust or dirt; if any, maintain the
appliance and
clean the dust and dirt on the air inlet/outlet grill
and Pre-Filter
14


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