I have a Carrier AC unit that is probably 3 years old and I have a code

84 High Pressure Lockout. Johnson Controls P70KA1C 1/4in High Pressure Lockout Control 50450psi Phil | Retired HVAC/ Electrical & Boiler contractor Carrier system malfunction 84 HIGH PRESSURE LOCKOUT 4H

The first time, and this time, I turned the unit off at the breaker, left it sit for 30 min, and it runs fine after turning it back on Temps have been mild here in NC but anyway, I received the 84-HIGH PRESSURE LOCKOUT 4 HOURS message.

Highpressure ball valve lockout for pipeline BD8432 China Marst

Carrier system malfunction 84 HIGH PRESSURE LOCKOUT 4H airheatman | Furnace, A/C and heat pump specialist Carrier system malfunction 84 HIGH PRESSURE LOCKOUT 4H

Johnson Controls P70DA1C Penn High Pressure Lockout P70DA1C Mara. The first time, and this time, I turned the unit off at the breaker, left it sit for 30 min, and it runs fine after turning it back on Code 13 - Limit Circuit Lockout Code 14 - Ignition Lockout Code 21 - Gas Heating Lockout Code 22 - Abnormal Flame Proving Signal Code 23 - Pressure Switch Did Not Open Code 24 - Secondary Voltage Fuse Open Code 33 - Limit Circuit Fault AND high heat only is active Code 45 - Control Circuitry Lockout

P70DA1C Johnson Control High Pressure Lockout NOS eBay. What's the cure? giving it a 20 min rest nd restarting gets it back in service but it The Carrier infinity I know is a high pressure lockout at 84