Fujitsu Error Code E0:00: Communication Error (Indoor to Remote)
Warning: Your Fujitsu mini-split isn't communicating with the remote, so it's locked out and needs attention.
How to Fix Fujitsu Code E0:00
- Step 1: Replace the batteries in the remote controller with fresh ones.
- Step 2: Ensure there are no obstructions (furniture, curtains, etc.) blocking the path between the remote and the indoor unit.
- Step 3: Try using a different compatible Fujitsu remote if you have one available. If a different remote works, the original remote is likely the problem.
- Step 4: If none of these steps work, it's time to call a qualified HVAC technician to diagnose the problem further.
How to Reset Fujitsu Code E0:00
- Turn off the unit using the remote control or wall controller.
- Turn off the circuit breaker for the outdoor and indoor units. Wait 60 seconds.
- Restore power at the breaker.
- Turn the unit on with the remote control. If the error returns, the fault needs professional diagnosis.
What does E0:00 mean?
The E0:00 error code on your Fujitsu mini-split system indicates a communication problem between the indoor unit and the remote controller. Basically, the indoor unit isn't receiving signals from the remote. This could be due to a few different things, but it prevents you from controlling the system, and the unit will likely stop working until the issue is resolved.
This communication relies on a wired or wireless connection, depending on your setup. The error could stem from a faulty remote, a problem with the receiver in the indoor unit, or issues with the wiring or wireless signal itself. Because mini-splits are ductless, this won't affect other parts of your home, but you will need to troubleshoot to get your AC or heat back.
Affected Models
Replacement Parts
| Part | OEM Number | Est. Cost |
|---|---|---|
| Remote Controller | UTY-LBTGM | — |
| Indoor Unit Receiver Board | — | — |
| Communication Wiring | — | — |
Related Codes on Same Models
| Code | Description | Severity |
|---|---|---|
| E1:00 | Communication Error (Indoor to Outdoor) | Warning |
| E2:00 | Room Temp Sensor Open Circuit | Warning |
| E3:00 | Room Temp Sensor Short Circuit | Warning |
| E4:00 | Indoor Coil Sensor Open | Warning |
| E5:00 | Indoor Coil Sensor Short | Warning |
| E6:00 | Outdoor Coil Sensor Fault | Warning |
| E7:00 | Outdoor Ambient Sensor Fault | Warning |
| E8:00 | Indoor Fan Motor Fault | Warning |
| E9:00 | Drain Pump / Float Switch | Warning |
| EE:00 | Communication Error (Multi-System) | Warning |