Panasonic F-PZT175H Operating Instructions Manual page 23

TROUBLESHOOTING
If a problem is encountered, please investigate it by going through the following items.
If the problem still persists, please disconnect the power and contact the dealer for repair.
Possible situation
Automatic operation
cannot be stopped
Clean sign remains blue
even when the air is dirty.
Polluted air is difficult
to be removed
The air volume is small
The odor from the
product is unpleasant
If any of the following cases occur, please contact the dealer immediately for repair.
The PM2.5 concentration/
timer display window displays
the letter F and two digits,
like .
PM2.5
/
F
Please confirm the following
When the setting is "Auto", the product will still operate with
low air volume even if the air in the room is clean.
Is the dirt sensor dirt? (P.16)
Is the pre-filter or composite and deodorizing filter
Please clean it. If the situation persists, replace the filter with a
new composite and deodorizing
Is the body or filter dirty? (P.16 ~ 17)
If the problem persists after the filter is cleaned, please replace it
with a new composite and deodorizing
(The harmful carbon monoxide generated by cigarette cannot be
removed)
(
Has the product ever been used in a room with strong odor?
If the product is used in a room with strong odor such as
aromatic smell, cigarette smoke or barbecue smell, the filter
replacement period may be shortened.
If you use the product in such environments, it is recommended
to open the air ventilation system or open the windows to
ventilate the room at the same time. If there is still strong odor
to be blown out after the maintenance , please replace the
composite and deodorizing
indicator does not light on.
Product may be out of order.
Please disconnect the power and contact the dealer for repair.
16
16 ~ 17
filter.
16 ~ 17
filter.
)
filter, even if the filter replacement
dirty? (P.16 ~ 17)
23