Issue:
CLD (clear language display) RAM addressing error
Resolution:
- Check the LEDs on the back of the CLD. LED TX must blink every second or 2 with the RX LED blinking continually.
- If communication is good, disconnect all of the IPC connections from the other modules.
- Plug in the other modules one at a time to see which module is causing communication error.
See RLC-SVD03A-EN.
Notes:
See Service Literature for service links.
Changes:
Other Question/Problem/Cause Statements:
- CLD (clear language display) RAM addressing error
Facts:
- Air-Cooled Chiller (Pueblo) (RTAA 70-125 Ton)
- Compressor Chiller (Pueblo) (RTUA)
- Water-Cooled Chiller (Pueblo) (RTWA)
Document Identifier: DOC-81788
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.