Siemens Building Technologies, Inc.
6-1
Landis Division
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Chapter 6 describes corrective measures you can take if you encounter a problem with the
Open Processor. If you encounter a symptom or a problem not covered in this manual,
contact your local Siemens Building Technologies representative.
Chapter 6 covers the following topics:
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Basic Service Information
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Ordering Replacement Parts
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Open Processor Troubleshooting
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Open Processor Operation
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Trunk Interface
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Point Operation
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Communication with Trane System
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Battery Replacement Procedure
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The Point Termination Module (PTM) manual override switch is not
intended for use as a safety device when performing maintenance. If
you use the PTM manual override switch as a safety device, it may
result in serious injury to personnel and may damage property in the
area. Continue to follow safety procedures when performing
maintenance.
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To determine that the Open Processor is powered up and communicating properly, verify
that the STATUS LED on the Open Processor is flashing ON and OFF once per second.
(Upon power-up, it may take five to six seconds for the STATUS LED to begin flashing.)
