Rack Control Module
TM
Product Manual
Rev. 1.2, May 9, 2014
Page 39
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Symptom 3: Terminal rack controller halts loading before
expected. HH alarm shuts down loading prematurely. Finch
display shows flashing “HH” and loaded volume for the affected
compartment.
For Single or Dual TD80 Systems:
Permit: RED
Sensor 1 or Sensor 2: RED
Power: SOLID YELLOW
WHAT TO DO:
DETAILS:
WHAT TO
CHECK:
REMEDY:
DETAILS:
Check the
following
for the
affected
Sensor
Check the
volume of
product
loaded at
the
terminal
rack
i.
If the volume
loaded is less
than the
expected HH
alarm level
Confirm the
HH alarm
level by
checking the
highest
allowable fill
alarm setting.
This is the
HH alarm
volume.
a. If HH alarm
volume is too
low, have the
TD80
transmitter
reprogrammed
with the correct
HH alarm
setting.
b. If the HH alarm
volume is
correct, perform
an Offset
Calibration to
restore the HH
alarm volume to
the correct
level.
ii.
If the volume
loaded is the
same as the
HH alarm
volume, then
a normal rack
shutdown
occurred.
Confirm the
correct HH
alarm volume
for the
compartment
Reprogram the
TD80
transmitter HH
alarm volume
as required.