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HOOD TROUBLESHOOTING
Initial troubleshooting of the hood:
1. Remove panel covering VFD to check and see if the circuit breaker is tripped.
2. Check the actual frequency of the VFD controller. To access the actual frequency, press ESC
button until the Display Mode shows D001.
3. Check to see that the breaker in the service panel is not tripped.
4. Make sure the Switch Relocation Cords (SRC) are properly installed to the oven(s).
5. Check to see that the grease filters are clean & installed properly.
6. Check to see if the exhaust fan is rotating in the correct rotation. To verify fan rotation,
remove the lid on the exhaust fan. Visually inspect rotation in accordance with label on fan
housing.
Hood Machine Control LED Lights:
1. When the Red LED is lit it indicates an MC
error.
2. When the first Green LED is lit it indicates
power to MC.
3. When the second Green LED is lit it indi-
cates that the exhaust fan on.
4. When the third Green LED is lit it indicates
the MC communication to the VFD.
Removing the hood VFD cover panel exposes high voltage. Proceed with caution
and read the following instructions carefully.
HIGH
VOLTAGE
