Carrier air conditioning error code eo ol 1 time indoor unit eeprom parameter error.
Carrier ac indoor unit displays error code e1.
If you re handy with electronics you may be able to fix these problems but if not it s time to call a pro.
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One of the main problems in the inverter air conditioner is e1 or communication error indoor outdoor the most common reason for an e1 error code to be displayed on your air conditioner s front panel is to remind you that the unit s air filter needs to be cleaned.
Troubleshooting an e1 error code.
The causes for this could be a wiring mistake or a faulty control board with the indoor unit or the outdoor unit.
E3 ol 4 time the speed of the indoor fan has gone out of control.