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Troubleshooting l 6-9
6
Troubleshooting
Possible cause
The process blower has mechanically
failed or is unable to rotate freely.
The process blower has failed electrical-
ly.
The overload is set incorrectly.
Solution
With the power removed, check the
process blower for mechanical failure
and free rotation. Replace if necessary.
Wait 3 to 15 minutes with the power on
until the dryer indicates the overload
condition has cleared then try to restart
the dryer.
With the power removed, check the
process blower for electrical shorts or
open circuits. Replace if necessary.
Wait 3 to 15 minutes with the power on
until the dryer indicates the overload
condition has cleared then try to restart
the dryer.
With the power removed, check the
overload settings and confirm that the
settings match the full load amps listed
on the process blower motor. Wait 3 to
15 minutes with the power on until the
dryer indicates the overload condition
has cleared then try to restart the dryer.
Problem
A53 Process Blower
Overload – The process blower
overload has tripped due to a
mechanical or electrical prob-
lem.
Shut Down Alarms