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FFFF
No Applied Unit
Mitsubishi Electric · PAR-21MAA MA Remote Controller
Hva betyr FFFF ?
The 'FFFF' display indicates that the system does not detect any applied or connected units (either indoor or outdoor). This suggests a unit might not be properly connected or is not receiving power.
Vanlige årsaker
- No compatible indoor or outdoor unit is connected to the system.
- Configuration error preventing the system from recognizing connected units.
- A unit has been physically disconnected or powered off.
- The control system is expecting a unit that is not present in the configuration.
Reparasjonssteg & Sjekkliste
Klikk på steg for å spore fremgangen.
- 1
Verify that all indoor and outdoor units are correctly connected to the system's communication and power lines.
- 2
Ensure that all connected units are powered on and receiving adequate electrical supply.
- 3
Check the address settings of all connected units to confirm they are configured correctly within the system.
Verifisert teknisk data. Sist oppdatert: March 2026
Relaterte feilkoder
Kilde: Mitsubishi Electric PAR-21MAA MA Remote Controller