Zephyr ZNA-E42BS Installation Guide Page 17
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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15
Troubleshooting
TROUBLESHOOTING PROCEDURES FOR NAPOLI ISLAND
Issue Cause What to do
After installation,
the unit doesn’t
work.
1. The power source is not turned ON. 1. Make sure the circuit breaker and the unit’s
power is ON.
2. The power line and the cable locking connector
is not connecting properly.
2. Check the power connection with the unit is
connected properly.
3. The wires on the control board are loose. 3. Make sure the wires on the control board are
connected properly.
4. The switch board and control board wirings are
disconnected.
4. Make sure the wirings between the switch
board and control board are connected
properly.
5. The switch board or control board is defective. 5. Change the switch board or control board.
Light works, but
blower is not
turning.
1. The blower cable is disconnected. 1. Check all wirings from the blower to be sure
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 LDC screen
is blinking.
1. The cable between the switch board and control
board is disconnected.
1. Check the cable connection between the
switch board and control board.
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. 3. Check the installation of the hood.
The unit is
whistling.
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2. The duct pipe connections are not sealed or
connected properly.
2. Check the duct pipe connections to be sure all
connections are sealed properly.
The blower is
working, but the
lights are not.
1. Defective LED bulb. 1. Change the LED bulb.
2. The LED bulb wire is loose. 2. Check LED wire connections at the control
board and the LED light bulbs. Reconnect any
loose wires.
The speed levels
of the blower
sound the same.
1. Using the wrong size of ducting. 1. Change the ducting to at least 8” or higher.
2. ACT enabled blower CFM set to 290 or 390
CFM.
2. Noise level distinction between some speeds
may be minimal when ACT enabled blower is
set to 290 or 390 CFM.
The hood is
not venting out
properly.
1. The hood might be hanging too high from the
cook top.
1. Adjust the distance between the cook top and
the bottom of the hood within 26” and 34”
range.
2. The wind from the opened windows or opened
doors in the surrounding area are affecting the
ventilation of the hood.
2. Close all the windows and doors to eliminate
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3. Blockage in the duct opening or ductwork. 3. Remove all the blocking from the duct work or
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 8” or higher for
the internal blower.
Mesh Filter is
vibrating.
0HVK¿OWHULVORRVH 1. Make sure the metal clips in the handle are
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2. Filter spring clip is loose or broken. 8QLQVWDOODQGUHLQVWDOO¿OWHUSXVKXSRQ¿OWHU
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- ZNA-M90BS 1
- ZNA-E42BS 1
- Table of Contents 3
- Important Safety Notice 4
- List of Materials 6
- 26” min 8
- 34” max 8
- WARNING FIRE HAZARD 9
- TOP of HOOD 10
- TOP SUPPORT FRAME 10
- Ceiling Joists 11
- Wood Blocking 11
- Top Support Frame 11
- Bottom Support Frame 11
- Cable Lock 12
- Charcoal Filter Replacements 13
- SURFACE MAINTENANCE: 16
- Troubleshooting 17
- Fan Curve Diagrams 18
- Wiring Diagram 20
- DESCRIPTION PART# 21
- 1-888-880-8368 22
- Limited Warranty 22
- Table des matières 25
- Mise en garde de sécurité 26
- Liste du matériel 28
- Subtotal column 1 = 29
- Subtotal column 2 = 29
- Total ductwork = 29
- Recouvrement de 30
- Prolongement de 30
- Reprise 31
- DESSUS de la HOTTE 32
- CADRE DE FIXATION SUPÉRIEUR 32
- (vue du dessus) 32
- Boîtier de 33
- Raccord de câble 34
- Touche de mise en 36
- ENTRETIEN DES SURFACES: 38
- Dépannage 39
- Pression (en TQ) 41
- 6FKpPD'H&kEODJH 42
- DESCRIPTION N 43
- DE PIÈCE 43
- Garantie limitée 44
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