Issue:
Operational code A100
Resolution:
CGWD, CGWE, CGAD, CCAD, CCAE chillers
- A100 is an Operational Mode (Operating Status) NOT a diagnostic.
- This code will be called out anytime the External Auto/Stop input is opened.
- There is an internal 120 VAC that is routed to this input
- If the input does not have 120 VAC, there is an internal A7 module problem
- Or the 120 VAC supplied to the module is not present.
- If the input has 120 VAC present, and still does not allow the chiller to operate, then there is an A7 module problem.
Facts:
- Water-Cooled Chiller (PBL) (CGWD, CGWE, CGAD, CGAE, CCAD, CCAE)
Document Identifier: DOC-85981
WARNING:
Information in this article is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience and who comply with all federal, state, and local laws, rules, orders, or regulations related to the installation, service, or repair of a heating or central air conditioning product. Any attempt to install, service, or repair a heating or central air conditioning product may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of the information contained herein, nor can it assume any liability in connection with its use.
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