Carrier · Heat Pumps
The system is locked out for 4 hours due to persistent high suction gas temperature. Common causes include an overcharge of refrigerant, high load conditions, or an improperly matched system. This is a protective measure.
Click steps to track your progress.
Verify refrigerant charge by putting the system into cooling charging mode.
Ensure the system is operating within its normal design and application guidelines.
Consult application guidelines for proper load calculation and system matching.
The lockout will clear automatically after 4 hours once the underlying issue is resolved.