Conair 50, 25, 15, 100 Passive Alarms, Problem, Possible cause, Solution, Desiccant level low

Passive Alarms

Problem

P9 Process Dew Point (PM1 Option) – The dew point has not fallen below the setpoint. If the dew point goes below the setpoint, the alarm should go away.

✐Note: The alarm is not active for the first 3

indexes

P10 Process Filter Clogged (Option) – The process filter differential pressure switch is tripped.

P17 Conveying Demand (MDC Option) - The demand sensor located at the material receiver has not been satisfied after 3 attempts.

Possible cause

The hose or wiring connections to the sensor block are loose or have fallen off.

Desiccant level low.

The desiccant may be contaminated.

Leaks in the process air stream.

The process air filter is clogged.

Sensor is out of position.

The conveying load time is too short.

Conveying blower is not coming on.

Hoses have come off or are loose in the conveying loop.

Solution

Check wiring and hose connections to the sensor, re-secure if needed.

Replace tanks or repack desiccant. See “Replacing the Desiccant Tanks” Page 6-21 “Refilling the Desiccant Tanks” Page 6-22.

Check the desiccant for contamination, replace if needed.

Check for worn or loose hoses.

Remove and clean or replace the process air filter.

Raise the sensor to a higher/lower posi- tion on the bracket.

Increase the load time setpoint.

Check the blower fuses in the control and the overload settings.

Check for loose hoses and make sure all hose clamps are secure.

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