44 / E44
Control detects outdoor temperature outside recommended operating range; unit may continue to operate normally
This code typically points to
- Ambient air conditions too high or too low
Next checks to confirm
- Cycle power
- Retry during usable ambient temperature range
Escalation
Advisory/protection message; public text says unit may continue to operate normally
Reset behavior
Clears when ambient condition returns to acceptable range.
Informational
No action needed