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Tank lid indicator gauge reads low differential tank pressure.
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Tank lid open.
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Close tank lid.
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Air leak in tank or pressurization system.
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Contact your John Deere dealer.
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Pinched or damaged sensor lines.
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Repair / Replace sensor lines.
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Water or obstruction in sensor lines.
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Remove obstruction.
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Damaged / Broken Gauge.
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Replace gauge.
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Tank lid indicator gauge reads high differential tank pressure.
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Product build up in sensor line fitting at manifold.
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Remove sensor line and clean fitting.
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Pinched or damaged sensor lines.
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Repair / Replace sensor lines.
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Water or obstruction in sensor lines.
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Remove obstruction.
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Damaged / Broken Gauge.
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Replace gauge.
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Bottom manifold cover not secured properly.
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Latch manifold cover into place.
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Manifold plugs not installed on unused primary lines.
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Install foam manifold plugs on all unused primary lines.
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Tank lid indicator gauge needle does not center properly when cart fan is disengaged.
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Gauge misadjusted.
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"Zero" out gauge
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Water or obstruction in sensor lines.
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Remove obstruction.
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