INVENTOR QLT-500 Manuel D'utilisateur page 11

|Service Guide
Faults Handling
Notes
Please confirm the following contents before the entrusted maintenance
Faults
The display screen shows "E1"
The display screen shows "E0"
The display screen shows "Eu" Sensor faults; Please contact the after-sales office.
The display screen shows "E3"
The purifier is not working
The purifier has a small
amount of air and is noisy
The air outlet smells odor
Whether the wheels are pulled
out after inserted
Whether the purifier can be
used with the humidifier
EN
Troubleshooting
Disassembly protection tips; Please assemble the air inlet grills and air
outlet grills properly.
Hardware faults; Please contact the after-sales office.
The fan speed is beyond control; Please contact the after-sales office.
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
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 Pre-Filter becomes dirty or reaches the end of its service life; if any,
clean the early effect filter; Finally, check whether the HEPA Filter is full
of dust or reaches the end of its service life; if any, the replacement of
the composite 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
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.
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.
The wet environment has a greater impact on the filter element, and
the mist produced by the ultrasonic humidifier may cause abnormality
in the PM2.5 detection of this appliance, so that simultaneous
operation is avoided as much as possible.
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