Troubleshooting Guide - Air King AK150LS Operating Manual

housing and press flange in place so it is tight against the ceiling.
Tighten both screws inside the housing. Install drywall screws (not
included) through the holes in the flange and into the ceiling. Install
as many drywall screws needed to ensure the flange fits tightly
against the ceiling (Figure 12).
Ceiling
Mounting
Flange
Figure 12
4. Install the grill by squeezing the two ends of the springs together
and installing them up into the slots on the fan's housing. Push the
grill up into position (Figure 13).
Figure 13
5. Restore power and test your installation.
Trouble
1. Fan does not operate when the switch is on.
2. Fan is operating, but air moves slower than normal.
3. Fan is operating louder than normal.
210572051 Rev. A 8-05
Screws
Slots
Drywall Screw

Troubleshooting Guide

Probable Cause
1a. A fuse may be blown or a circuit tripped.
1b. Connector plug from motor is not plugged in.
1c. Wiring is not connected properly.
1d. Motor has stopped operating.
2. Obstruction in the exhaust ducting.
3a. Motor is loose.
3b. Fan blade is hitting housing of unit.
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SECTION 6
Use and Care
CAUTION:
MAKE SURE POWER IS SWITCHED OFF AT SERVICE
PANEL BEFORE SERVICING THE UNIT.
1. Cleaning the Grill: Remove grill and use a mild detergent, such as
dishwashing liquid, and dry with a soft cloth. NEVER USE ANY
ABRASIVE PADS OR SCOURING POWDERS. Completely dry grill
before reinstalling. Refer to instructions in Section 5 Finishing the
Installation , to reinstall grill.
2. Cleaning the Fan Assembly: Wipe all parts with a dry cloth or gently
vacuum the fan. NEVER IMMERSE ELECTRICAL PARTS IN WATER.
Suggested Remedy
1a. Replace fuse or reset circuit breaker.
1b. Turn off power to unit. Remove Grill and plug motor into receptacle
in housing. Restore power to unit.
1c. Turn off power to unit. Check that all wires are connected.
1d. Replace motor.
2. Check for any obstructions in the ducting. The most common are bird nests
in the roof cap or wall cap where the fan exhausts to the outside.
3a. Turn off power to unit. Remove grill and check that all screws are fully
tightened. Restore power to unit.
3b. Call your dealer for service.
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