Hello Jacek and thank you for your time!
I reinstalled the binding. It starts ok and updating status.
2021-03-07 16:36:35.311 [TRACE] [ler.MideaACHandler$ConnectionManager] - Performing connection check for mideaac:ac:mideaac__192_168_1_130__12094627919834__net_ac_5c3b at IP 192.168.1.130
2021-03-07 16:36:35.313 [TRACE] [ler.MideaACHandler$ConnectionManager] - Checking status of connection for mideaac:ac:mideaac__192_168_1_130__12094627919834__net_ac_5c3b at 192.168.1.130
2021-03-07 16:36:35.319 [DEBUG] [ler.MideaACHandler$ConnectionManager] - Connection check OK for mideaac:ac:mideaac__192_168_1_130__12094627919834__net_ac_5c3b at 192.168.1.130
2021-03-07 16:36:35.321 [DEBUG] [ler.MideaACHandler$ConnectionManager] - Requesting status update from mideaac:ac:mideaac__192_168_1_130__12094627919834__net_ac_5c3b at 192.168.1.130
2021-03-07 16:36:35.325 [DEBUG] [ler.MideaACHandler$ConnectionManager] - Writing to mideaac:ac:mideaac__192_168_1_130__12094627919834__net_ac_5c3b at 192.168.1.130 bytes.length: 104, bytes: 5A5A011168002000000000000115020710242300DA370000000B00000000000000000000000000006B000A76E27EED2C3647E57D8602DF8B0F7FAFA7EC1FCCCEEAC76BBDD53E49D9D4280338B1AC9710C10EB8C5A0DBF3A4BA1814C2FEB281386E00D96227E200A8
2021-03-07 16:36:35.686 [DEBUG] [ler.MideaACHandler$ConnectionManager] - Response received length: 104
2021-03-07 16:36:35.688 [DEBUG] [ler.MideaACHandler$ConnectionManager] - Response bytes: 5A5A011168002080000000000000000000000000DA370000000B00000000000000000000010000000044708595C876105223FAC62D99FAF1EA260959B1BA7FA96C608C44489A3BD75DBCE2B330E31FA9E2CE62D076D307F5FEDF52CD33F0E25629C1DC8235C172ED
2021-03-07 16:36:35.691 [TRACE] [ng.mideaac.internal.handler.Response] - Bytes decoded and stripped without header: C00129657F7F003300000064440D00290000001E000000234D
2021-03-07 16:36:35.692 [TRACE] [ng.mideaac.internal.handler.Response] - PowerState: true
2021-03-07 16:36:35.694 [TRACE] [ng.mideaac.internal.handler.Response] - ImodeResume: false
2021-03-07 16:36:35.696 [TRACE] [ng.mideaac.internal.handler.Response] - TimerMode: false
2021-03-07 16:36:35.698 [TRACE] [ng.mideaac.internal.handler.Response] - ApplianceError: false
2021-03-07 16:36:35.699 [TRACE] [ng.mideaac.internal.handler.Response] - TargetTemperature: 25.0
2021-03-07 16:36:35.702 [TRACE] [ng.mideaac.internal.handler.Response] - OperationalMode: AUTO
2021-03-07 16:36:35.703 [TRACE] [ng.mideaac.internal.handler.Response] - FanSpeed: UNKNOWN
2021-03-07 16:36:35.705 [TRACE] [ng.mideaac.internal.handler.Response] - OnTimer: enabled: false
2021-03-07 16:36:35.707 [TRACE] [ng.mideaac.internal.handler.Response] - OffTimer: enabled: false
2021-03-07 16:36:35.709 [TRACE] [ng.mideaac.internal.handler.Response] - SwingMode: HORIZONTAL
2021-03-07 16:36:35.711 [TRACE] [ng.mideaac.internal.handler.Response] - CozySleep: 0
2021-03-07 16:36:35.713 [TRACE] [ng.mideaac.internal.handler.Response] - Save: false
2021-03-07 16:36:35.715 [TRACE] [ng.mideaac.internal.handler.Response] - LowFrequencyFan: false
2021-03-07 16:36:35.717 [TRACE] [ng.mideaac.internal.handler.Response] - SuperFan: false
2021-03-07 16:36:35.718 [TRACE] [ng.mideaac.internal.handler.Response] - FeelOwn: false
2021-03-07 16:36:35.720 [TRACE] [ng.mideaac.internal.handler.Response] - ChildSleepMode: false
2021-03-07 16:36:35.722 [TRACE] [ng.mideaac.internal.handler.Response] - ExchangeAir: false
2021-03-07 16:36:35.724 [TRACE] [ng.mideaac.internal.handler.Response] - DryClean: false
2021-03-07 16:36:35.725 [TRACE] [ng.mideaac.internal.handler.Response] - AuxHeat: false
2021-03-07 16:36:35.727 [TRACE] [ng.mideaac.internal.handler.Response] - EcoMode: false
2021-03-07 16:36:35.729 [TRACE] [ng.mideaac.internal.handler.Response] - CleanUp: false
2021-03-07 16:36:35.730 [TRACE] [ng.mideaac.internal.handler.Response] - TempUnit: false
2021-03-07 16:36:35.732 [TRACE] [ng.mideaac.internal.handler.Response] - SleepFunction: false
2021-03-07 16:36:35.734 [TRACE] [ng.mideaac.internal.handler.Response] - TurboMode: false
2021-03-07 16:36:35.736 [TRACE] [ng.mideaac.internal.handler.Response] - CatchCold: false
2021-03-07 16:36:35.737 [TRACE] [ng.mideaac.internal.handler.Response] - NightLight: false
2021-03-07 16:36:35.739 [TRACE] [ng.mideaac.internal.handler.Response] - PeakElec: false
2021-03-07 16:36:35.741 [TRACE] [ng.mideaac.internal.handler.Response] - NaturalFan: false
2021-03-07 16:36:35.743 [TRACE] [ng.mideaac.internal.handler.Response] - IndoorTemperature: 25.9
2021-03-07 16:36:35.745 [TRACE] [ng.mideaac.internal.handler.Response] - OutdoorTemperature: 9.0
2021-03-07 16:36:35.747 [TRACE] [ng.mideaac.internal.handler.Response] - Humidity: 13
But then, after few minutes warning shows and stops reporting.
2021-03-07 16:36:45.752 [TRACE] [ler.MideaACHandler$ConnectionManager] - Performing connection check for mideaac:ac:mideaac__192_168_1_130__12094627919834__net_ac_5c3b at IP 192.168.1.130
2021-03-07 16:36:45.755 [TRACE] [ler.MideaACHandler$ConnectionManager] - Checking status of connection for mideaac:ac:mideaac__192_168_1_130__12094627919834__net_ac_5c3b at 192.168.1.130
2021-03-07 16:36:45.757 [DEBUG] [ler.MideaACHandler$ConnectionManager] - Connection check OK for mideaac:ac:mideaac__192_168_1_130__12094627919834__net_ac_5c3b at 192.168.1.130
2021-03-07 16:36:45.759 [DEBUG] [ler.MideaACHandler$ConnectionManager] - Requesting status update from mideaac:ac:mideaac__192_168_1_130__12094627919834__net_ac_5c3b at 192.168.1.130
2021-03-07 16:36:45.762 [DEBUG] [ler.MideaACHandler$ConnectionManager] - Writing to mideaac:ac:mideaac__192_168_1_130__12094627919834__net_ac_5c3b at 192.168.1.130 bytes.length: 104, bytes: 5A5A011168002000000000000115020710242D00DA370000000B00000000000000000000000000006B000A76E27EED2C3647E57D8602DF8B0D913A99AC66BBC2C031875985FEA665A6BD5E96EA81A1E4D966D532E6557AEE06B0AF055C9D1214C27F82B5E7C202BF
2021-03-07 16:36:45.765 [DEBUG] [ler.MideaACHandler$ConnectionManager] - Response received length: 176
2021-03-07 16:36:45.767 [DEBUG] [ler.MideaACHandler$ConnectionManager] - Response bytes: 5A5A011158004400DE4901000000000000000000DA370000000B000000000000000000000300000033EA990CBC3A488F0BC352DD7544A352D841DE54A76FF90C8AEEF193574829990C0D4BC13B22C0D48E8FF1807D7312735A5A011158004400E04901000000000000000000DA370000000B000000000000000000000300000033EA990CBC3A488F0BC352DD7544A352D841DE54A76FF90C8AEEF193574829996AABDDC31AEC2777B319A86300ECAD00
2021-03-07 16:36:45.772 [WARN ] [g.mideaac.internal.security.Security] - AES decryption error: IllegalBlockSizeException: Input length must be multiple of 16 when decrypting with padded cipher
at org.openhab.binding.mideaac.internal.handler.Response.<init>(Response.java:26) ~[?:?]
at org.openhab.binding.mideaac.internal.handler.MideaACHandler$ConnectionManager.sendCommand(MideaACHandler.java:567) ~[?:?]
at org.openhab.binding.mideaac.internal.handler.MideaACHandler$ConnectionManager.requestStatus(MideaACHandler.java:530) ~[?:?]
at org.openhab.binding.mideaac.internal.handler.MideaACHandler$ConnectionManager.checkConnection(MideaACHandler.java:716) ~[?:?]
at org.openhab.binding.mideaac.internal.handler.MideaACHandler$ConnectionManager.lambda$0(MideaACHandler.java:476) ~[?:?]
And if I change an item or command AC with remote , then binding also stops working, until restart…
2021-03-07 16:42:15.418 [TRACE] [ler.MideaACHandler$ConnectionManager] - Performing connection check for mideaac:ac:mideaac__192_168_1_130__12094627919834__net_ac_5c3b at IP 192.168.1.130
2021-03-07 16:42:15.421 [TRACE] [ler.MideaACHandler$ConnectionManager] - Checking status of connection for mideaac:ac:mideaac__192_168_1_130__12094627919834__net_ac_5c3b at 192.168.1.130
2021-03-07 16:42:15.423 [DEBUG] [ler.MideaACHandler$ConnectionManager] - Connection check OK for mideaac:ac:mideaac__192_168_1_130__12094627919834__net_ac_5c3b at 192.168.1.130
2021-03-07 16:42:15.426 [DEBUG] [ler.MideaACHandler$ConnectionManager] - Requesting status update from mideaac:ac:mideaac__192_168_1_130__12094627919834__net_ac_5c3b at 192.168.1.130
2021-03-07 16:42:15.430 [DEBUG] [ler.MideaACHandler$ConnectionManager] - Writing to mideaac:ac:mideaac__192_168_1_130__12094627919834__net_ac_5c3b at 192.168.1.130 bytes.length: 104, bytes: 5A5A0111680020000000000001150207102A0F00DA370000000B00000000000000000000000000006B000A76E27EED2C3647E57D8602DF8BD8843C397DEAD052D9DAE3B48BF3B3B56CA53BB8C5A00C97CBBFA3FE254FFE833BCDD218D1653C31D695A0802ED8BD39
2021-03-07 16:42:15.433 [DEBUG] [ler.MideaACHandler$ConnectionManager] - Response received length: 104
2021-03-07 16:42:15.435 [DEBUG] [ler.MideaACHandler$ConnectionManager] - Response bytes: 5A5A0111680044001A4A01000000000000000000DA370000000B0000000000000000000003000000C011F4DA888AB00E6E1D77ECBCBFAA022075387CC7B1151A7718B440E8B27B9A6E2A1E3EE1B0F21AAC9ACA31D68C46EE5ADF440028B1A0C03BA7B448174FA803
2021-03-07 16:42:15.438 [TRACE] [ng.mideaac.internal.handler.Response] - Bytes decoded and stripped without header: A05B20657F7F003300000000001E00000000000004B3
2021-03-07 16:42:15.439 [TRACE] [ng.mideaac.internal.handler.Response] - PowerState: true
2021-03-07 16:42:15.441 [TRACE] [ng.mideaac.internal.handler.Response] - ImodeResume: false
2021-03-07 16:42:15.443 [TRACE] [ng.mideaac.internal.handler.Response] - TimerMode: true
2021-03-07 16:42:15.445 [TRACE] [ng.mideaac.internal.handler.Response] - ApplianceError: false
2021-03-07 16:42:15.447 [TRACE] [ng.mideaac.internal.handler.Response] - TargetTemperature: 16.0
2021-03-07 16:42:15.448 [TRACE] [ng.mideaac.internal.handler.Response] - OperationalMode: AUTO
2021-03-07 16:42:15.450 [TRACE] [ng.mideaac.internal.handler.Response] - FanSpeed: UNKNOWN
2021-03-07 16:42:15.452 [TRACE] [ng.mideaac.internal.handler.Response] - OnTimer: enabled: false
2021-03-07 16:42:15.454 [TRACE] [ng.mideaac.internal.handler.Response] - OffTimer: enabled: false
2021-03-07 16:42:15.470 [TRACE] [ng.mideaac.internal.handler.Response] - SwingMode: HORIZONTAL
2021-03-07 16:42:15.474 [TRACE] [ng.mideaac.internal.handler.Response] - CozySleep: 0
2021-03-07 16:42:15.477 [TRACE] [ng.mideaac.internal.handler.Response] - Save: false
2021-03-07 16:42:15.481 [TRACE] [ng.mideaac.internal.handler.Response] - LowFrequencyFan: false
2021-03-07 16:42:15.483 [TRACE] [ng.mideaac.internal.handler.Response] - SuperFan: false
2021-03-07 16:42:15.485 [TRACE] [ng.mideaac.internal.handler.Response] - FeelOwn: false
2021-03-07 16:42:15.487 [TRACE] [ng.mideaac.internal.handler.Response] - ChildSleepMode: false
2021-03-07 16:42:15.489 [TRACE] [ng.mideaac.internal.handler.Response] - ExchangeAir: false
2021-03-07 16:42:15.491 [TRACE] [ng.mideaac.internal.handler.Response] - DryClean: false
2021-03-07 16:42:15.493 [TRACE] [ng.mideaac.internal.handler.Response] - AuxHeat: false
2021-03-07 16:42:15.495 [TRACE] [ng.mideaac.internal.handler.Response] - EcoMode: false
2021-03-07 16:42:15.496 [TRACE] [ng.mideaac.internal.handler.Response] - CleanUp: false
2021-03-07 16:42:15.498 [TRACE] [ng.mideaac.internal.handler.Response] - TempUnit: false
2021-03-07 16:42:15.500 [TRACE] [ng.mideaac.internal.handler.Response] - SleepFunction: false
2021-03-07 16:42:15.502 [TRACE] [ng.mideaac.internal.handler.Response] - TurboMode: false
2021-03-07 16:42:15.503 [TRACE] [ng.mideaac.internal.handler.Response] - CatchCold: false
2021-03-07 16:42:15.505 [TRACE] [ng.mideaac.internal.handler.Response] - NightLight: false
2021-03-07 16:42:15.507 [TRACE] [ng.mideaac.internal.handler.Response] - PeakElec: false
2021-03-07 16:42:15.509 [TRACE] [ng.mideaac.internal.handler.Response] - NaturalFan: false
2021-03-07 16:42:15.510 [TRACE] [ng.mideaac.internal.handler.Response] - IndoorTemperature: null
2021-03-07 16:42:15.512 [TRACE] [ng.mideaac.internal.handler.Response] - OutdoorTemperature: -25.0
2021-03-07 16:42:15.514 [TRACE] [ng.mideaac.internal.handler.Response] - Humidity: 30
at org.openhab.binding.mideaac.internal.handler.MideaACHandler$ConnectionManager.processMessage(MideaACHandler.java:653) ~[?:?]
at org.openhab.binding.mideaac.internal.handler.MideaACHandler$ConnectionManager.sendCommand(MideaACHandler.java:568) ~[?:?]
at org.openhab.binding.mideaac.internal.handler.MideaACHandler$ConnectionManager.requestStatus(MideaACHandler.java:530) ~[?:?]
at org.openhab.binding.mideaac.internal.handler.MideaACHandler$ConnectionManager.checkConnection(MideaACHandler.java:716) ~[?:?]
at org.openhab.binding.mideaac.internal.handler.MideaACHandler$ConnectionManager.lambda$0(MideaACHandler.java:476) ~[?:?]