______________________________________________________Chapter 5 - Troubleshooting, Page 5-1
Using the Troubleshooting Charts
The following Troubleshooting Charts are designed to easily find common problems, the probable cause
and guidance on corrective action. In some cases the Corrective Action column will reference the Testing
and Repair section of this manual for additional guidance and actions.
Smoke Loss Into The Kitchen
Symptom
Probable Cause
Corrective Action
1
The Ventilator is not
exhausting all the
smoke, heat and
grease properly.
A.
Exhaust volume is low due to fan
performance issues. Measure the
exhaust volume as described on
page 6-1.
1
Check exhaust fan for broken or
slipping belts. Adjust or replace
belts as required.
2
Confirm proper rotation of fan
wheel.
3
Check for proper size of exhaust
fan. Fan must deliver Ventilator
Nameplate rating.
4
Check for open access panel in duct
system and close or re-install.
B.
Exhaust volume is low due to a
heavy grease accumulation in the
extractor area or the Particulate
Separators.
1
Open the Extractor Inspection Door
and inspect for grease
accumulation around the baffles
and the Particulate Separators. If
they are not being washed
effectively refer to the
Troubleshooting section on WASH
CYCLE.
C.
The Ventilator must have its own
exhaust system and no other
exhaust, such as dishwasher hoods
should be tied into it.
1
Inspect the duct system and verify
that there are no other non Type I
Ventilator systems tied in. If so
they must be removed.
D.
Improperly placed make-up air
diffusers.
1
Make-up air directed at the
Ventilator will likely create cross
drafts disrupting the air flow into
the Ventilator. Adjust the louvers
to direct the make-up air away
from the Ventilator. Refer to page
6-5
for guidance.
2
Make-up air should be delivered
through registers at ceiling height,
and distributed throughout the
kitchen area. Refer to page 6-5 for
guidance.
3
Make-up air registers located near
the Ventilator, the louvers should
be adjusted to direct the air away
from the Ventilator. Directing or
forcing the make-up air at the
Ventilator typically creates cross
drafts resulting in smoke loss.
Refer to page 6-5 for guidance.
Table T-5-1
