Issue:
Starter Transition Failure (b F0) diagnostic with chiller off
Resolution:
It appears to be a bad 1U3 module. Recommend that the module be changed out.
Other Question/Problem/Cause Statements:
- b F0 diagnostic with chiller off.
- BF0 diagnostic
Facts:
- RTHA All wiring correct to the 1U3 module. Alarm active before chiller even starts.
- RTHA, RTHB
- All wiring correct to the 1U3 module.
- Alarm active before chiller even starts.
Original HUB Document : DOC-81615
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.