Troubleshooting Tips - Quirky ISO Manual

TROUBLESHOOTING TIPS

PROBLEM
THERE IS A VISIBLE
GAP BETWEEN THE
CEILING PANEL AND
CEILING
THE FAN SEEMS
LOUDER THAN IT
SHOULD BE
THE FAN IS NOT
CLEARING THE
HUMIDITY OUT
OF THE ROOM.
|
ISO 14
POSSIBLE CAUSES
The hole is smaller than
10" x 10" (25.4 cm x 25.4 cm)
Bottom edge of fan is
less than 3⁄4" (1.9 cm) from
ceiling surface
CFM too high
Damper (exhaust port)
not working properly or
is damaged.
Bend in duct too close
to fan discharge.
Fan body not securely
attached.
Fan duct is being obstructed
at some point (including end
of duct)
Fan may be clogged with
dust or debris
Insufficient intake airflow
within room.
Insufficient CFM
Dust/dirt is clogging
fan intake
Duct may not be connected
to fan properly
WHAT TO DO
Remove panel (refer to Care & Maintenance) and check to see
if fan was installed properly
Remove panel (refer to Care & Maintenance) and check to see
if fan was installed properly
90 CFM fan is designed for rooms up to 100 sq ft (9.3 sq m)
Check exhaust flap to ensure it is opening and closing properly.
If the exhaust fan has become damaged, please call Customer
Service
Be sure you do not have any sharp bends in duct closer
than 18" (45.7 cm) to the fan discharge
Be sure the fan is securely attached to your ceiling joists
Check the air duct to ensure the duct is not restricting air flow
Refer to Care & Maintenance section for cleaning instructions
The fan is not able to draw air out of the room without enough
airflow to draw from have a door or window slightly ajar or open
to allow airflow
Be sure the CFM rating on the fan matches the requirements
for your room size. NOTE: If the fan clears steam from the room
within 15 minutes after the shower has been turned off, the fan is
operating properly
Refer to Care and Maintenance instructions
Check air duct and fan connection to ensure that there
is a proper seal