What does a flashing 4 mean on a thermostat?

What does a flashing 4 mean on a thermostat?

Low Discharge Temperature
If there is no power to the outdoor unit for an extended period, the YorkGuard will flash a code 4 – Low Discharge Temperature. Check the breaker for the heat pump and make sure that it is not tripped. Watch Video. If the breaker is okay, a qualified service technician should check the system.

What does it mean if my thermostat is blinking?

If you see a flashing light on your thermostat, that’s a signal that there’s a problem with your outdoor unit. When this happens, your outdoor unit will shut off and send a signal to your thermostat, causing it to blink. Thing is, that signal doesn’t mean your indoor unit is made aware of the problem.

How do I fix my Dometic e4 CODE?

Today the Dometic thermostat started reporting code E4, which means outdoor air temperature sensor fault. If you only have an air conditioner (not a heat pump) you can reset the thermostat by disconnecting shore power, disconnecting the battery and waiting for 4 or 5 minutes, then reconnecting power.

Why is Honeywell thermostat blinking?

One of the most common causes of thermostat blinking is a power outage. When there is no power supply, it may lead to the blinking of your Honeywell thermostat once the compressor restarts when the power returns. During the restarting process, the pressure on the compressor causes blinking.

Why Does My Honeywell thermostat keep blinking cool on?

If the “cool on” or the snowflake icon is flashing, the thermostat is in delay mode, which can take up to 5 minutes. This delay is to protect your equipment from short cycling.

How do I reset my Dometic single zone thermostat?

How do I reset my Dometic Single Zone LCD thermostat?

1. Press the On/Off Mode button.
2. Press the On/Off Mode button to turn Off the Single Zone LCD thermostat.
3. Toggle through the modes until the On/Off green LED is on.
4. The LCD will go out and the green LED will remain on for approximately 15 seconds,
5. Go out.

What is an E4 code on a Dometic thermostat?

E4 Open circuit or out of range Outdoor Temperature Sensor (select models). Heat Pump operation will be locked out. Air Conditioner, Fan and Furnace operation can continue to operate. Air conditioner mode of operation will be locked out.