Ortech Y-H2, Operation & Installation Instructions, Page: 31 / 61

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7. Troubleshooting
Symptoms Possible Cause Action
No go No electrical supply
Check that the main switch is
turned on
Check that the plug is
connected
Poor airflow
Aluminum grease filters
clogged
Clean the filters and replace
when dry
Charcoal grease filters
clogged
Replace charcoal filters with
new sets
Motor running but no
airflow
Butterfly valve jammed Contact technician
Motor cuts off after a
few minutes
High temperature safety
device activated
The kitchen is not sufficiently
ventilated
The hood is installed too
near the cooking Stove
The hood must be at least
65 cm from stove
Strong cooking
smell
Charcoal filters are not
installed
Charcoal filters must be
installed in recirculating mode
Oil dripping onto
stove
Oil cup missing or not
installed
Remove aluminum filter and
replace oil cup
Aluminum grease filter
saturated
Wash the aluminum grease
filters
Whirring sound
Foreign object in contact
with fan blade
Contact technician