5 flashes pause 1 flash
Low-pressure switch trip
This code typically points to
- Low charge
- Low indoor airflow
- Restriction
- Low-load conditions
Next checks to confirm
- Verify actual operating pressures and airflow
- Inspect charge/restriction path
Escalation
Repeated LPS trips under normal load point toward leak/restriction/system issue.
Reset behavior
No public timing/reset detail documented in Table 5.
Urgent
Fix now