manual
16
CLEANING & MAINTENANCE
CLEANING & MAINTENANCE 
WARNING!!! 
 To prevent the possibility of a fire and explosion, do not use 
flammable liquids or solvents to clean the unit or any of its parts. 
 Check to make sure all power sources are disconnected 
before servicing or taking unit apart for cleaning. 
 Please thoroughly clean the unit weekly as stainless steel 
can rust under certain condition or by improper cleaning. 
1. RANGE HOOD 
a.  Use household cleaner to remove grease or dirt from the outer shell of the 
unit. Spray on wiping cloth or sponge and wipe in the direction of the grain 
to avoid scratching the unit. (DO NOT SPRAY DIRECTLY ONTO UNIT) 
b.  Clean the inner working of the unit periodically to avoid grease build-up. 
c.  Do not open control switch panel while the hood is connected to power. 
d.  Use stainless steel cleaner to bring back the shine to the unit. 
2. BAFFLE FILTERS 
a.  Remove baffle filters from unit and place in warm soapy water. 
b.  Clean the baffle filters regularly for the most efficient suction power. 
c.  Do not drop baffle filters or filler. 
d.  Let it soak thoroughly and then clean it with wiping cloth or sponge. 
e.  Baffle filters may also be cleaned using residential dishwasher. 
TROUBLESHOOTING 
17 
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-34L 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 
1. Complete Control switch replacement is required. 
2. IC Board Replacement may be needed. 
Burnt/melted control 
switch 
1. 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. 
3.IC Board Replacement may be needed 
Unit lacking smoke 
intake 
1. Check ducting for foreign object. 
2. Ensure that ducting is properly sealed. 
3. Maintenance may be required to increase air-flow. 
Unit showing no power 
indication 
1. Ensure 120v electrical power source is working 
correctly. 
2. IC Board Replacement may be required. 
Unit making humming 
noise/Motor not starting;/ 
LCD indicator not 
displaying speed levels. 
1. Capacitor replacement is required. 










