Zephyr Essentials Napoli ZNA-M90CS Guide D'utilisation, D'entretien Et D'installation page 17

TROUBLESHOOTING PROCEDURES FOR NAPOLI ISLAND
Issue Cause
After installation, 1. The power source is not turned ON.
the unit doesn't
work.
2. The power line and the cable locking connector
is not connecting properly.
3. The wires on the control board are loose.
4. The switch board and control board wirings are
disconnected.
5. The switch board or control board is defective.
Light works, but 1. The blower cable is disconnected.
blower is not
turning.
2. The blower is defective, possibly seized.
3. The thermally protected system detects if the
blower is too hot to operate and shuts the blower
down.
4. The switch board or control board is defective.
The LDC screen 1. The cable between the switch board and control
is blinking. board is disconnected.
The unit is 1. The motor is not secure in place.
vibrating.
2. Damaged blower wheel.
3. The hood is not secured in place.
The unit is
whistling.
2. The duct pipe connections are not sealed or
connected properly.
The blower is 1. Defective LED bulb.
working, but the
2. The LED bulb wire is loose.
lights are not.
The speed levels 1. Using the wrong size of ducting.
of the blower
2. ACT enabled blower CFM set to 290 or 390
sound the same.
CFM.
The hood is 1. The hood might be hanging too high from the
not venting out cook top.
properly.
2. The wind from the opened windows or opened
doors in the surrounding area are affecting the
ventilation of the hood.
3. Blockage in the duct opening or ductwork.
4. The direction of duct opening is against the wind. 4. Adjust the duct opening direction.
5. Using the wrong size of ducting.
Filter is vibrating. 1. Filter is loose.
2. Filter spring clip is loose or broken.
What to do
1. Make sure the circuit breaker and the unit's
power is ON.
2. Check the power connection with the unit is
connected properly.
3. Make sure the wires on the control board are
connected properly.
4. Make sure the wirings between the switch
board and control board are connected
properly.
5. Change the switch board or control board.
1. Check all wirings from the blower to be sure
all cables are connected properly.
2. Change the blower.
3. The blower will function properly after the
thermally protected system cool down.
4. Change defective part.
1. Check the cable connection between the
switch board and control board.
1. Tighten the motor in place.
2. Replace the blower.
3. Check the installation of the hood.
2. Check the duct pipe connections to be sure all
connections are sealed properly.
1. Change the LED bulb.
2. Check LED wire connections at the control
board and the LED light bulbs. Reconnect any
loose wires.
1. Change the ducting to at least 8" or higher.
2. Noise level distinction between some speeds
may be minimal when ACT enabled blower is
set to 290 or 390 CFM.
1. Adjust the distance between the cook top and
the bottom of the hood within 26" and 34"
range.
2. Close all the windows and doors to eliminate
3. Remove all the blocking from the duct work or
duct opening.
5. Change the ducting to at least 8" or higher for
the internal blower.
1. Make sure the metal clips in the handle are
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