Fehlercodes: E06_ECOi_MF1

Alarm Code E06
Alarm meaning Outdoor unit failed to receive serial communication signals from indoor unit.
Alarm conditions Outdoor unit failed to receive serial communication signals from indoor unit.
Probable cause
  1. The indoor unit power was cut OFF after initial communications were completed.
  2. An open circuit or short circuit occurred in the inter-unit control wiring after initial communications were completed.
Check Check the power at the indoor and outdoor units, and check the inter-unit control wiring.
Correction
Example
Notes This alarm is detected after initial communications are completed. Therefore, it does not occur in cases of “disconnected serial connector,” “no terminal unit set,” or other trouble that occurs before initial communications are completed. If initial communications have not been completed, alarm E04 occurs.