8 Owner’s Manual for Portable Generator
Figure 2-6. 120/240 VAC, 30 Amp Receptacle
NEMA L14-30R
CO-SENSE™
Carbon Monoxide (CO) Detection
and Shut-off System (if equipped)
The CO-SENSE module monitors for the
accumulation of poisonous CO gas found in
engine exhaust when the generator is running.
If CO-SENSE detects increasing levels of CO
gas, it automatically shuts off the engine. CO-
SENSE only monitors when the engine is run-
ning. Generators are intended to be used out-
doors, far from occupied buildings and the
exhaust pointed away from personnel and
buildings. However, if mis-used and operated
in a location that results in the accumulation of
CO, like a house or even a garage with par-
tially opened door, CO-SENSE shuts off the
engine, notifies the user of what has hap-
pened and directs the user to read the instruc-
tion action label for steps to take. See Figure
2-7. CO-Sense is not a substitute for an indoor
carbon monoxide alarm.
See Figure 2-8. As the user approaches the
generator to investigate a shut-off, a blinking
RED light in the CO-SENSE badge on the
side of the generator provides notification that
the generator was shut off due to an accumu-
lating CO hazard. The RED light will blink for
at least five minutes after a CO shut-off. Move
the generator to an open, outdoor area and
point the exhaust away from people and occu-
pied buildings. Once relocated to a safe area,
the generator can be restarted and the proper
electrical connections made to supply electri-
cal power. The RED light will stop blinking
automatically upon engine re-start. Introduce
fresh air and ventilate the location where the
generator had shut down.
See Figure 2-8. If a CO-SENSE system fault
has occurred and no longer provides protec-
tion, the portable generator is shut off auto-
matically and the YELLOW light will blink for at
least five minutes in the CO-SENSE badge to
notify the user of the fault. The CO-SENSE
module can only be diagnosed and repaired
by a trained technician at the dealer. The gen-
erator can be re-started, but may continue to
shut-off.
CO-SENSE will detect the accumulation of
Carbon Monoxide from other fuel burning
sources such as engine powered tools or pro-
pane heaters used in the area of operation.
For example, if another generator is used and
the exhaust is pointed at a CO-SENSE
equipped generator, CO-SENSE may initiate
a shut-off due to rising CO levels. This is not
an error. Hazardous Carbon Monoxide has
been detected. The user must take action to
move and re-direct these devices to better dis-
sipate Carbon Monoxide far away from per-
sonnel and occupied buildings.
Figure 2-7. Instruction Action Label
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