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Repair
Prepare for Service
• To avoid electric shock, remove power from the
system before servicing.
• All electrical wiring must be done by a qualified
electrician and comply with all local codes and
regulations.
• Do not substitute or modify system components.
• Read
Warnings, page 3
NOTICE
To avoid equipment damage, the bearing air must
be on while the turbine is spinning and must not be
turned off until the cup comes to a complete stop.
1. Verify that the cup is not rotating.
2. Close the air shutoff valve on the air controller
air supply line.
3. Unplug the power supply.
24
.
Replace the Control Module
Follow these instructions to replace the control
module (Refs. 2 and 6). Order Kit 25C423, which
includes the module and the necessary software
token.
1. Follow directions at
2. Label each cable with the number of the
connection port. Disconnect all cables from both
the base module (2) and the cube module (6).
3. Remove the module door (5).
4. Loosen the fasteners (6a) and remove the control
module (6).
5. Remove fasteners (3 and 4), then remove the
base (2).
6. Install the new base (2). Tighten fasteners (3
and 4).
7. Install the new control module (6). Tighten the
fasteners (6a).
8. Reinstall the module door (5).
9. Refer to the labels to reconnect each cable. If
you did not use labels, remove the wire duct
cover. Refer to the schematic and the following
table for connection information.
10. Load the correct software onto the control
module, using the token.
NOTICE
The module will not work if the software is not
installed. See directions in the System Logic
Controller manual (3A3955) for loading the
software.
Prepare for Service, page
3A3954B
24.
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