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i14. “Exhaust VFD does not ramp up to 60hz” 1. Ensure tubing is properly connected from the remote panel to the booth wall. 2. Ensure the booth pressure set point is in the negative range. 3. Ensure all booth doors are closed. 4. Measure voltage on the PS1 pressure transmitter. If pressure tubing is connected and voltage is 0 then transmitter may be defective. Tee in a manometer with the transmitter to confirm. If manometer is showing pressure and voltage is still 0, replace transmitter.
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