What would cause my thermostat to go blank?
If your thermostat wall does not have a c-wire, or common wire, your thermostat most likely is not hooked up to your HVAC system for its power and needs batteries. When your screen is blank, it could indicate you need to replace the batteries. Most thermostats display a low-battery symbol when the juice is running low.
What happens if the Dometic thermostat is out of range?
Loss of communication between the Single Zone LCD thermostat and the module board. LCD will cycle between E1 and the previous mode setting. System will shut down. Open circuit or out of range Indoor Temperature Sensor. Heating and cooling operation will be locked out. Fan operation can continue to operate. Shorted Indoor Temperature Sensor.
How to troubleshoot a Dometic thermostat error cone?
Dometic 3313192 Thermostat Troubleshooting. Error cone. Solution. E1. Loss of communication between the Single Zone LCD thermostat and the module board. LCD will cycle between E1 and the previous mode setting. System will shut down. E2. Open circuit or out of range Indoor Temperature Sensor.
What does the error code E1 mean on the Dometic thermostat?
Error Code: E1 Results from a loss of communication between the Single Zone LCD thermostat and its module board. LCD will cycle between E1 and the previous mode setting. The system eventually shuts down. E2 Open circuit or out of range Indoor Temperature Sensor.
How do you hook up a Dometic thermostat?
• Using a pair of side cutters, simply cut the, yellow, tan, blue, and green wires back to the sheath on the 7 wire cable. • Please tape the ends of these wires with black electricians tape. • Connect the red/white wire routed from the SZLCD thermostat +12VDC terminal to the red/white wire from the SZLCD control relay box.
What happens when the Dometic thermostat goes out?
Heat pump, furnace, heat strip and fan operation can continue to operate but displays the last temperature set-point. Open circuit Humidity Sensor (Select Models). Air conditioner and dehumidification will be locked out. Heat pump, furnace heat strip and fan can continue to operate. Loss of 120 VAC power to all power module boards on the system.
What causes an error code on a Dometic air conditioner?
Verify seawater temperature. Check thermostat setting and/or redirect supply air so that it is not directed into the return air stream. Switch unit into heat until the ice melts. A unit low on refrigerant charge will cause evaporator icing. Loss of communication between the CCC 2 thermostat and an individual system power module board.
What do you need to know about a Dometic air conditioner?
Air Conditioner Dometic Installation Instructions. All initial installations must be approved by Dometic, LLC B. This Air Conditioner/Heat Pump (hereinafter referred .. & Wiring Diagram. The Dometic Single Zone Liquid Crystal Display (SZLCD) PN’s .
