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6
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Tr o u b l e s h o o t i n g l
6-9
Problem
Regeneration Blower
Overload
- If the regenera-
tion blower exceeds its full
load amp rating or the over-
load has tripped due to a
mechanical or electrical prob-
lem the dryer will shut down.
The default setting for this
alarm is passive but it can be
changed to shutdown.
Possible cause
The regeneration blower current draw
has exceeded the full load amps rating
of the motor.
The regeneration blower has mechani-
cally failed or is unable to rotate freely.
The regeneration blower has failed
electrically.
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 regeneration 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 regeneration 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 process blower
motor. Allow the overload to reset then
try to restart the dryer.
Replace the overload.
NOTE:
This alarm shuts
down only the regenera-
tion portion of the dryer.
The process blower will
continue to run.
✐
Shutdown Alarms
If an alarm occurs, a red dialog box is displayed on the dryer’s touch screen
control. The dryer will shut down automatically during a 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.
Summary of Contents for HTC 120
Page 10: ...viii l Table of Contents ...
Page 30: ...2 14 l Description ...
Page 35: ...Installation General Installation General l 3 5 3 I n s t a l l a t i o n ...
Page 65: ...Installation Hard Piping Kits Installation Piping Hoses l 3 35 3 I n s t a l l a t i o n ...
Page 80: ...3 50 l Installation Piping Hoses ...
Page 88: ...3 58 l Installation Piping Hoses ...
Page 92: ...3 62 l Installation Conveying Lines ...
Page 93: ...Installation Water Lines 3 I n s t a l l a t i o n Installation Water Lines l 3 63 ...
Page 124: ...3 94 l Installation Gas Piping and Exhaust Flue ...
Page 125: ...Installation Testing 3 I n s t a l l a t i o n Installation Testing l 3 95 ...
Page 250: ...4 108 l Operation ...
Page 286: ...5 36 l Maintenance ...