manual
TROUBLESHOOTING
16
TROUBLESHOOTING
WARNING!!!
Check to make sure all power sources are disconnected
before starting any troubleshooting. Safety gloves and glasses
should be worn when working on the unit. Serious injury or death
may occur if safety precautions are not followed.
RA-77 Series
GU10 LED Light Issue
(One light not turning on
or all not turning on)
1. Replace old defective GU10 fixture with new GU10
LED 5W light fixtures found at your local hardware
store.
Speed indicator not
showing speed levels
Complete control switch replacement is required.
Burnt/melted control
switch
Complete control switch replacement is required.
Speed levels not
working correctly
1. Check all wiring to and from the unit.
2. Complete control switch replacement is required.
Unit lacking smoke
intake
1. Check ducting for foreign object.
2. Ensure the ducting is properly sealed.
3. Clean filters to increase airflow.
Unit showing no power
indication
1. Make sure the power source is working properly.
2. All wiring is connected.
Unit making humming
noise
Replace defective capacitor with new one.
PART LIST / REPLACEMENT
17
PART LIST / REPLACEMENT
# Description # Description
1 Duct cover bracket 9 Control switch
2 Duct cover 10 Control support panel
3 6” collar 11 Capacitor
4 Duct cover panel 12 Squirrel cage motor
5 Hood bracket 13 6” – 7” transition collar
6 Hood body assembly 14 Aluminum filters (RA-77)
7 GU10 5W LED lights 15 Baffle filters (Optional)
8 Light cover