Service Alert Summary:
Transformer pigtail connectors damaged from manufacturer.
What are known Diagnostics or Symptoms:
Loose connections have been found on both primary and secondary transformer connections on all 24vac transformers that have been tied back to the manufacturer.
Affected connectors:
- Primary transformer connector(s) PPM/F 6/7/8/9
- Secondary transformer connector(s) PPM/F 1/2/3/4
Loose transformer connections are known to cause:
- compressor proving faults
- condenser fan operation issues
- blower motor issues (A0 cabinet)
- potential sensor failures
- IMC communication issues
Product Family
Voyager 3 w/ Symbio 700 controls
Model Prefix(s) & Configuration details
See product families above, all models affected
Ship Date range
1-1-2023 - Present
Serial range
All - Present
What actions can I take now:
Remove connector and modify harness to connect directly to the transformer.
- Preferred connectors for the primary side are:
- Preferred connectors for the secondary side are:
Primary Side Harness Modification
Secondary Side Harness Modification (TNS1 Example)
Is there a related published service bulletin for this issue?
- No, no bulletin has been published.
- Service Bulletin is expected, this page will be updated once published
Are WMS(Warranty Management System) claims allowed for this issue?
- Warranty / Concession claims may be allowed.
Does the above information indicate the final resolution?
- Yes, final resolution has been confirmed per above for field repairs.
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.
Internal Admin Use/Info only:
No Zendesk Problem Ticket exists for this issue, Zendesk ticket #2277162 includes this issue along with other harness/connector related issues.
This document is confidential and proprietary Trane information. Please do not distribute.