17TroubleshootingTROUBLESHOOTING PROCEDURES FOR SIENA PROIssue Cause What to doAfter installation,the unit doesn’tZRUN1. The power source is not turned ON. 0DNHVXUHWKHFLUFXLWEUHDNHUDQGWKHXQLW¶Vpower is ON. 7KHSRZHUOLQHDQGWKHFDEOHORFNLQJFRQQHFWRUis not connecting properly. &KHFNWKHSRZHUFRQQHFWLRQZLWKWKHXQLWLVconnected properly.3. The wires on the control board are loose. 0DNHVXUHWKHZLUHVRQWKHFRQWUROERDUGDUHconnected properly.4. The switch board and control board wirings aredisconnected. 0DNHVXUHWKHZLULQJVEHWZHHQWKHVZLWFKboard and control board are connectedproperly.5. The switch board or control board is defective. 5. Change the switch board or control board./LJKWZRUNVEXWblower is notturning.1. The blower cable is disconnected. &KHFNDOOZLULQJVIURPWKHEORZHUWREHVXUHall cables are connected properly.2. The blower is defective, possibly seized. 2. Change the blower.3. The thermally protected system detects if theblower is too hot to operate and shuts the blowerdown.3. The blower will function properly after thethermally protected system cool down.4. The switch board or control board is defective. 4. Change defective part.The unit isvibrating.1. The motor is not secure in place. 1. Tighten the motor in place.2. Damaged blower wheel. 2. Replace the blower.3. The hood is not secured in place. &KHFNWKHLQVWDOODWLRQRIWKHKRRGThe unit iswhistling.7KH¿OWHULVQRWLQWKHFRUUHFWSRVLWLRQ $GMXVWWKH¿OWHUVXQWLOWKHZKLVWOLQJVWRSV2. The duct pipe connections are not sealed orconnected properly.&KHFNWKHGXFWSLSHFRQQHFWLRQVWREHVXUHDOOconnections are sealed properly.The blower isZRUNLQJEXWWKHlights are not.1. Defective LED bulb. 1. Change the LED bulb.2. The LED bulb wire is loose. &KHFNEXOEZLUHFRQQHFWLRQVDWWKHFRQWUROboard and the light bulbs. Reconnect anyloose wires.The unit turns onby itself.$VSRWOLJKWRUNLWFKHQODPSLVVKLQLQJGLUHFWO\onto the switch controls.1. The switch controls are light sensative. Adirect light source onto the switch controlsmay disrupt switch functions.The speed levelsof the blowersound the same.1. Using the wrong size of ducting. 1. Change the ducting to at least 10” or higher.The hood isnot venting outproperly.1. The hood might be hanging too high from theFRRNWRS $GMXVWWKHGLVWDQFHEHWZHHQWKHFRRNWRSDQGthe bottom of the hood within 24” and 34”range.2. The wind from the opened windows or openedGRRUVLQWKHVXUURXQGLQJDUHDDUHDႇHFWLQJWKHventilation of the hood.2. Close all the windows and doors to eliminateWKHRXWVLGHZLQGÀRZ %ORFNDJHLQWKHGXFWRSHQLQJRUGXFWZRUN 5HPRYHDOOWKHEORFNLQJIURPWKHGXFWZRUNRUduct opening.4. The direction of duct opening is against the wind. 4. Adjust the duct opening direction.5. Using the wrong size of ducting. 5. Change the ducting to at least 10” or higher.Mesh Filter isvibrating. 0HVK¿OWHULVORRVH 0DNHVXUHWKHPHWDOFOLSVLQWKHKDQGOHDUHQRWVWXFN2UUHSODFHWKHPHVK¿OWHU)LOWHUVSULQJFOLSLVORRVHRUEURNHQ 8QLQVWDOODQGUHLQVWDOO¿OWHUSXVKXSRQ¿OWHUODWFK5HSODFHPHVK¿OWHULIQHHGHG