19
TROUBLESHOOTING PROCEDURES FOR MONSOON DCBL
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 switch board and control board wires are
disconnected.
3. Make sure the wires between the switch board
and control board are connected properly.
4. The wires on control board are loose.
4. Make sure the wires on the 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 wire is not connected.
1. Make sure the blower wire is plugged into the
molex connector.
2. The thermally protected system detects if the
blower is too hot to operate and shuts the blower
down.
2. The blower will function properly after the
thermally protected system cool down.
3. Damaged capacitor.
3. Change the capacitor.
4. Blower molex plug pin is not making contact.
4. Disconnect the blower molex plug, check pins
inside plug to see if pin is pushed inside the
plug too far. Reseat pin if needed.
5. The blower is defective, possibly seized.
5. Change the blower.
The LCD display
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 blower is not secure in place.
1. Tighten the blower in place.
2. The liner is not secured in place.
2. Check the installation of the liner.
3. Damaged blower wheel.
3. Change the blower.
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 light bulb plug is disconnected.
2. Connect the light bulb plug.
The speed levels
of the blower
sound the same.
1. Using the wrong size of ducting.
1. Change the ducting to at least 8” round or
3-1/4”x10” rectangular 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 liner might be hanging too high from the
cook top.
1. Adjust the distance between the cook top
and the bottom of the liner within 26” and 36”
range.
2. Blockage in the duct opening or duct work.
2. Remove all the blocking from the duct work or
duct opening.
3. The direction of duct opening is against the wind.
3. Adjust the duct opening direction.
4. Using the wrong size of ducting.
4. Change the ducting to correct size.
Filter is vibrating.
1. Filter is loose.
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2. Change the spring clip.
RF Remote
control does not
work
1. Battery is dead.
1. Replace battery with type A23 12v.
2. Poor communication with the liner.
2. Remote control must be within 15 ft of liner.
3. RF remote lost communication with the liner.
3. Reset liner and remote by switching power off
at the circuit breaker for 5 minutes. Perform
remote synchronization process on page 17.
T
roubleshooting
Summary of Contents for Monsoon DCBL AK9428AS
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