manual

17
Troubleshooting
TROUBLESHOOTING PROCEDURES FOR SIENA PRO
Issue Cause What to do
After installation,
the unit doesn’t
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1. The power source is not turned ON.  0DNHVXUHWKHFLUFXLWEUHDNHUDQGWKHXQLW¶V
power is ON.
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is not connecting properly.
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connected properly.
3. The wires on the control board are loose. 0DNHVXUHWKHZLUHVRQWKHFRQWUROERDUGDUH
connected properly.
4. The switch board and control board wirings are
disconnected.
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board and control board are connected
properly.
5. The switch board or control board is defective. 5. Change the switch board or control board.
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blower is not
turning.
1. The blower cable is disconnected. &KHFNDOOZLULQJVIURPWKHEORZHUWREHVXUH
all cables are connected properly.
2. The blower is defective, possibly seized. 2. Change the blower.
3. The thermally protected system detects if the
blower is too hot to operate and shuts the blower
down.
3. The blower will function properly after the
thermally protected system cool down.
4. The switch board or control board is defective. 4. Change defective part.
The unit is
vibrating.
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.  &KHFNWKHLQVWDOODWLRQRIWKHKRRG
The unit is
whistling.
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2. The duct pipe connections are not sealed or
connected properly.
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connections are sealed properly.
The blower is
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lights are not.
1. Defective LED bulb. 1. Change the LED bulb.
2. The LED bulb wire is loose.  &KHFNEXOEZLUHFRQQHFWLRQVDWWKHFRQWURO
board and the light bulbs. Reconnect any
loose wires.
The unit turns on
by itself.
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onto the switch controls.
1. The switch controls are light sensative. A
direct light source onto the switch controls
may disrupt switch functions.
The speed levels
of the blower
sound the same.
1. Using the wrong size of ducting. 1. Change the ducting to at least 10” or higher.
The hood is
not venting out
properly.
1. The hood might be hanging too high from the
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the bottom of the hood within 24” and 34”
range.
2. The wind from the opened windows or opened
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ventilation of the hood.
2. Close all the windows and doors to eliminate
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duct 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 is
vibrating.
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