Problem
Delivery Air Blower over-
load - If the delivery air
blower exceeds its full load
amp rating or the overload
has tripped due to a mechani-
cal or electrical problem the
dryer will shut down.
Possible cause
The delivery air blower current draw
has exceeded the full load amps rating
of the motor.
The delivery air blower has mechani-
cally failed or is unable to rotate freely.
The delivery air blower has failed elec-
trically.
Loss of phase of power to the motor
starter.
The overload is set incorrectly.
The overload is defective.
Solution
Press alarm acknowledge and allow the
overload to reset then try to restart the
dryer. If the alarm condition occurs
again have a qualified electrician check
the current draw to the motor.
Disconnect and lock out main power.
Check the delivery air blower for
mechanical failure and free rotation.
Replace if necessary. Allow the over-
load to reset then try to restart the
dryer.
Disconnect and lock out main power.
Check the delivery air blower for elec-
trical shorts or open circuits. Replace if
necessary. Allow the overload to reset
then try to restart the dryer.
Check for a blown fuse in the dryer or
main power supply. Allow the overload
to reset then try to restart the dryer.
Disconnect and lock out main power.
Check the overload settings and
confirm that the settings match the full
load amps listed on the delivery air
blower motor. Allow the overload to
reset then try to restart the dryer.
Replace the overload.
6
Tr ou bleshooti ng
S h u t d o w n Al a rm s
If an alarm occurs, a red dialog box is displayed on the dryer’s touch screen control. The
dryer will shut down automatically to prevent damage to the equipment or personnel. The
dialog box will indicate whether the alarm is a shut down alarm or a passive alarm.
Tr o u b l es h oo t in g l 6- 1 3
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