Issue:
What can cause a diagnostic code 87 Check External Chilled Water Setpoint?
Resolution:
RTAA 130-400 TON Chillers:
If the External Chilled Water Setpoint is not being used (no connection on the options module) and this diagnostic appears, check the P3 menu, item 30 and verify it is not enabled.
Notes:
Changes:
Other Question/Problem/Cause Statements:
- What can cause a diagnostic code 87 Check External Chilled Water Setpoint?
Facts:
- Air-Cooled Chiller (Pueblo) (RTAA 130-400 Ton)
Document Identifier: DOC-92583
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.