Troubleshooting steps
Check communication wiring; verify connections
HVAC Error Codes
Daikin E2 Error
Outdoor unit communication error
Details
Daikin E2 error indicates a communication problem with the outdoor unit.
Error typeCommunication Fault
Typical causesFaulty wiring; loose connections; board issue
SolutionsCheck communication wiring; verify connections
SeverityHigh
Catalog references
Where this appears
DaikinE2
Utilities
Copy-paste helpers
Browse More
Explore HVAC Error Codes
View all 526 hvac error codes codes
Community
Discussion & Experiences
Share your experience, solutions, or ask questions about this error code. Help others troubleshoot!
Loading comments...