User manual

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TROUBLESHOOTING
12
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-76 Series
Light issue (All not
turning on)
1. Locate and replace defective LED fixture.
2. Complete Control Board replacement may be
required
Single LED fixture
defective (All not turning
on)
2. Replace defective LED fixture with new LED
fixture.
Loud Noise coming from
motor housing
1. Confirm articles have not fallen near motor area or
in Motor Housing.
2. Ensure fans are strongly secure.
Touch Panel Control
Switch not working
correctly
1. Complete control switch replacement is required.
2. Control Board Replacement may be required
Burnt / melted control
switch
1. Complete control switch replacement is required.
Speed levels not
working correctly
1. Complete control switch replacement is required.
2. Control Board replacement may be required.
Unit lacking smoke
intake
1. Check ducting for foreign objects.
2. Ensure ducting is properly sealed.
3. Maintain Filter clean to increase airflow.
Unit showing no power
indication
1. Make sure the power source is working properly.
2. Ensure all wiring is connected properly.
Unit making humming
noise / motor not
Starting
1. Replace defective capacitor with new one.
2. Check / replace defective motor.
PART LIST / REPLACEMENT
13
PART LIST / REPLACEMENT