V. alarms – Grain Systems PNEG-526 User Manual

Page 23

Tower Dryer Operations & Service

V. Alarms

The controller checks the sensors and control status regularly. If abnormal

conditions are detected, a corresponding alarm will go off, an alarm message will come up
on the main screen and the dryer will be shut down.

ALARM

CAUSES

SOLUTION

Moisture out of range -
the moisture coming out
of the dryer was 2.5%
above or below the set-
point for more than one
hour under AUTO control
mode

• Sensor box plugged and
sensor was not covered
by grain
• Dry sensor out of
calibration
• Too big swing of
moisture coming into the
dryer

• Clear the sampler and
sensor box

• Calibrate the sensor

• Run the dryer manually
for one pass

Dry sensor error -
sensor reading is less than
6% or higher than 40%