Chore-Tronics® 2 Control Troubleshooting
MT1843B
94
Programming Trouble Shooting Continued.....
Problem Possible Cause Possible Solution
Tunnel Curtain opens in Power
Mode.
A.) Power-Tunnel Mode Transi-
tion.
B.) High static pressure alarm
safety feature has taken over.
C.) Additional inlet area through
the Tunnel Curtain feature has
taken over.
A.) Normal Operation
B.) Static pressure had quickly
built to above 0.20” and
stayed there for over the wind
delay setting. Tunnel Curtain
will open to maintain a static
pressure of between 0.18 and
0.20.” This is usually accom-
panied by a high static pres-
sure alarm. Find cause of
high static pressure and cor-
rect.
C.) Normal operation. Whenever
the air Inlets do not provide
enough air, the Tunnel Cur-
tain will also open enough to
maintain static pressure
within the Power Mode lim-
its.
When half-house brooding the
Minimum Rel. alarm is continu-
ally going off. The Sensor(s) indi-
cated are always in the non-brood
end.
One or more non-brood end Sen-
sors are assigned as Mode Sensors
and/or there are non-brood sen-
sors assigned to the power mode
sensors in the Alarms Screen.
Remove non-brood Sensor(s) as
Mode Sensors when brooding.
Sensor(s) can still be assigned to
heaters, etc. to keep non-brood
end temperature above freezing.
It is a cool-breezy day, and when
the Control goes into Natural
Mode the Curtains open to the
first opening position (example:
12 inches on a 48-inch Curtain).
After about 30 seconds the Con-
trol goes back into Power Mode
and the Curtains close right back
up. It does this several times.
Normal Operation If the temperature drops .6× F in
the first two minutes, the Curtains
are given a continuous close sig-
nal and the Control goes back into
Power Mode. This is the quick
temperature check as described in
the Mode Transitions, "Power to
Natural", section of this Manual.
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