E1 🟡 Repair Required
Daikin Error Code E1: Outdoor PCB Defective
⚠️ Your Daikin HVAC system has detected a fault with the outdoor PCB. It's safe to operate, but you should schedule a professional repair soon.
How to Fix Daikin Code E1
- Turn off your HVAC system at the thermostat and the circuit breaker to prevent further damage
- Contact a Daikin professional technician to schedule a repair
- Do not attempt to open the outdoor unit or perform any repairs yourself
What Does Daikin Error Code E1 Mean?
The Daikin E1 error code indicates a defect in the outdoor PCB (Printed Circuit Board). This board controls various functions of your outdoor unit, including the compressor and fan. When it malfunctions, your system may not operate efficiently, or it might shut down entirely. It's important to address this issue promptly to prevent further damage or system failure.
Common Causes of Daikin Code E1
- A short circuit or open circuit on the PCB due to component failure
- Excessive heat or moisture damaging the PCB
- Wiring issues connected to the PCB
- Faulty components connected to the PCB, such as the outdoor fan motor or compressor
Applicable Daikin Models
Need a Pro to Fix Daikin Code E1?
A licensed HVAC technician can diagnose and fix this issue quickly.
Find a Licensed Tech Near You →Replacement Parts for Daikin Mini-Split Code E1
Outdoor PCB OEM: 40122C0020
Outdoor Fan Motor