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M.A.R.V.E.L. Installation Operation & Maintenance Manual
MARVELIO&M/022009/rev1/EN
FAQ’s (Frequently Asked Questions)
Problem Probable Cause Solution
Laser on CE Alignment Tool
does not work
Battery low Replace battery. Unscrew end of tool,
remove the battery and replace with
same type.
Exhaust damper blades do
not open or close
Loose set screws Tighten
In-operable motor Replace
No suction at hood VFD tripped Check for error code, reset
Surface and duct temperature
sensors not activated
Push override button
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