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Tamara McgeeAug 12, 2025
What does E1 mean on Carrier Thermostat?
- Ggregory54Aug 12, 2025
If the Display Module and the Equipment Control Module cannot communicate via two--wire connection, an E1 will be displayed.
To Next PageTo Next PageWhat does E1 mean on Carrier Thermostat?
If the Display Module and the Equipment Control Module cannot communicate via two--wire connection, an E1 will be displayed.
How to troubleshoot Carrier Performance A07048 display module not powering up?
If your Carrier Thermostat's display module doesn't power up, begin by checking the Rc/Rh and C terminals to ensure they are receiving 24VAC. If 24VAC is present, then check the voltage between Vg and V+. If voltage is present, verify the wiring polarity is correct, as the display won't power up if the polarity is reversed.
What to do if Carrier Performance A07048 Thermostat Control’s internal memory fails?
If the Thermidistat Control's internal memory fails, you should replace the Thermidistat Control.
How to fix Carrier Thermostat display module if it doesn’t power up?
If the display module doesn’t power up after power is applied, check the Rc/Rh and C terminals for 24VAC. If 24VAC is present, check the voltage between Vg and V+. This voltage will be approximately 12--20VDC. If voltage is present, check the polarity to make sure it is wired correctly. The display will not power up if polarity is reversed.
What to do if Carrier Thermostat Control cannot properly read humidity?
If the Thermidistat Control cannot properly read humidity, replace the Thermidistat Control.
General| Brand | Carrier |
|---|---|
| Model | Performance A07048 |
| Category | Thermostat |
| Language | English |
