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Replacement of the filter components
1
2
Filter model: EF660 (includes 2)
When the last bar of the progress bar turns red
and the replacement indicator light is on, it
prompts that the HEPA filter needs to be
replaced
HEPA filter
4
5
Remove the protective film of the filter
Assemble the composite filter
09
3
Take out the HEPA filter
Clean
6
Long press the PM2.5 detection button for
3s, the cleaning indictor light is off, and the
HEPA filter is restored.
PM2.5
(Press 3s, to
reset Filter)
Long press for 3s
V.1
Service Guide
Faults Handling
Notes
Please confirm the following contents before the entrusted maintenance
Faults
The speed is beyond control; Contact the after-sales office for treatment
The display screen shows "E3"
The display screen shows "E0"
Master EEPROM hardware faults: Contact the after-sales office for treatment
The display screen shows "E1"
The disassembly protection is faulty, and the air inlet grill is not assembled properly: Assemble the air inlet grills and air outlet grills properly.
The display screen shows "Eb"
The communication between the button board and main control panel is faulty: Contact the after-sales office for treatment
The display screen shows "Eu"
PM2.5 sensor communication fault: Contact the after-sales office for treatment
Firstly, check whether the power cord is plugged into the power socket; the loose plug caused by the movement of the purifier may affect the
The purifier is not working
energizing; Secondly, check whether the air inlet grill and air outlet grill of the purifier 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 product cannot work.
Firstly, check whether the foreign bodies block the air inlet grill and air outlet grill; if any, remove those foreign bodies; Then, check whether the
The purifier has a small amount
Pre-Filter becomes dirty or reaches the end of its service life; if any, clean the Pre-Filter; Finally, check whether the HEPA filter is full of dust or
of air and is noisy
reaches the end of its service life; if any, the replacement of the HEPA filter is required.
When the appliance is operated for the first 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 filter element frequently and reset it. Check whether the air
The air outlet smells odor
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.
Whether the wheels are pulled
Yes, tilt the machine at a small angle and pull them out with a little effort. If not, try to pull the wheels out while rotating them.
out after inserted
Whether the purifier can be used
The wet environment has a greater impact on the filter element, and the mist produced by the ultrasonic humidifier may cause abnormality in
with the humidifier
the PM2.5 detection of this appliance, so that simultaneous operation is avoided as much as possible.
Troubleshooting
V.1
10
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