Yes it’s a COC. The culfw is v1.61 which I believe is the latest.
This is the log when trying to update:
[quote]11/26/14 20:25:22.496 Info: CLI connection accepted. Client number: 8
11/26/14 20:25:22.502 Listening for incoming commands from client number 8.
11/26/14 20:25:39.553 Module HomeMatic BidCoS: Debug: Size of firmware is: 61924 bytes.
11/26/14 20:25:39.559 Module HomeMatic BidCoS: Debug: Current block size is: 290 bytes.
11/26/14 20:25:39.560 Module HomeMatic BidCoS: Debug: Current block size is: 290 bytes.
11/26/14 20:25:39.560 Module HomeMatic BidCoS: Debug: Current block size is: 290 bytes.
[…]
11/26/14 20:25:39.783 Module HomeMatic BidCoS: Debug: Current block size is: 290 bytes.
11/26/14 20:25:39.786 Module HomeMatic BidCoS: Debug: Current block size is: 290 bytes.
11/26/14 20:25:39.787 Module HomeMatic BidCoS: Debug: Current block size is: 18 bytes.
11/26/14 20:25:39.789 Module HomeMatic BidCoS: COC “COC”: Info: Sending (COC): 0A353011FD0786321767CA
11/26/14 20:25:39.790 Debug: Writing: As0A353011FD0786321767CA
Ar
11/26/14 20:25:40.312 HomeMatic BidCoS packet received (COC, RSSI: 0x2A): 0A358002321767FD078600
11/26/14 20:25:40.314 Info (COC): Packet processing took 2 ms.
11/26/14 20:25:40.315 Module HomeMatic BidCoS: Info: Enter bootloader packet was accepted by peer.
11/26/14 20:25:40.946 HomeMatic BidCoS packet received (COC, RSSI: 0x2B): 14000010321767000000004C455130393933393339
11/26/14 20:25:40.947 Info (COC): Packet processing took 1 ms.
11/26/14 20:25:41.018 Module HomeMatic BidCoS: COC “COC”: Info: Sending (COC): 0F4200CB000000321767105B11F81547
11/26/14 20:25:41.018 Debug: Writing: As0F4200CB000000321767105B11F81547
Ar
11/26/14 20:25:41.019 Module HomeMatic BidCoS: Info: Enabling update mode.
11/26/14 20:25:41.019 Debug: Writing: AR
11/26/14 20:25:41.120 Module HomeMatic BidCoS: COC “COC”: Info: Sending (COC): 0F4320CB000000321767105B11F81547
11/26/14 20:25:41.121 Debug: Writing: As0F4320CB000000321767105B11F81547
Ar
11/26/14 20:25:46.132 Module HomeMatic BidCoS: Info: Disabling update mode.
11/26/14 20:25:50.449 Debug: Writing: X21
Ar
11/26/14 20:25:53.827 HomeMatic BidCoS packet received (COC, RSSI: 0x2A): 0D00A410321767FD078606000000
11/26/14 20:25:53.921 Module HomeMatic BidCoS: COC “COC”: Info: Sending (COC): 0A008002FD078632176700
11/26/14 20:25:53.922 Debug: Writing: As0A008002FD078632176700
Ar
11/26/14 20:25:53.922 Info (COC): Packet processing took 95 ms.
11/26/14 20:25:55.981 HomeMatic BidCoS packet received (COC, RSSI: 0x29): 0901A03F321767FD0786
11/26/14 20:25:56.075 Module HomeMatic BidCoS: COC “COC”: Info: Sending (COC): 0F01803FFD078632176702021C08E5C3
11/26/14 20:25:56.076 Debug: Writing: As0F01803FFD078632176702021C08E5C3
Ar
11/26/14 20:25:56.170 Module HomeMatic BidCoS: COC “COC”: Info: Sending (COC): 0A018002FD078632176700
11/26/14 20:25:56.170 Debug: Writing: As0A018002FD078632176700
Ar
11/26/14 20:25:56.170 Info (COC): Packet processing took 189 ms.
11/26/14 20:25:56.149 HomeMatic BidCoS packet received (COC, RSSI: 0x29): 0C02865A321767000000A8D531
[/quote]
The thermostat goes correctly into FUP mode and displays 1.1 and SYn at the end.