I have used the Flowdeck V2 several times without issues, however it doesn't work anymore. There is a problem with the I2C connection, as shown in the output of the console when I start up the CF 2.1:
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SYS: Crazyflie 2.1 is up and running!
SYS: Production release 2021.03
SYS: I am 0x20373357594B5007003C002C and I have 1024KB of flash!
CFGBLK: v1, verification [OK]
DECK_CORE: 1 deck(s) found
DECK_CORE: Calling INIT on driver bcFlow2 for deck 0
ZR2: Z-down sensor [FAIL]
PMW: Motion chip id: 0x:0x
IMU: BMI088: Using I2C interface.
IMU: BMI088 Gyro connection [OK].
IMU: BMI088 Accel connection [OK]
IMU: BMP388 I2C connection [OK]
ESTIMATOR: Using Kalman (2) estimator
CONTROLLER: Using PID (1) controller
MTR-DRV: Using brushed motor driver
EEPROM: I2C connection [FAIL].
STORAGE: Storage check [OK].
IMU: BMI088 gyro self-test [OK]
Error while initializing the PMW3901 sensor
DECK_CORE: Deck 0 test [FAIL].
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SYS: ----------------------------
SYS: Crazyflie 2.1 is up and running!
SYS: Production release 2021.03
SYS: I am 0x20373357594B500800460030 and I have 1024KB of flash!
CFGBLK: v1, verification [OK]
DECK_CORE: 1 deck(s) found
DECK_CORE: Calling INIT on driver bcLedRing for deck 0
IMU: BMI088: Using I2C interface.
IMU: BMI088 Gyro connection [OK].
IMU: BMI088 Accel connection [OK]
IMU: BMP388 I2C connection [OK]
ESTIMATOR: Using Complementary (1) estimator
CONTROLLER: Using PID (1) controller
MTR-DRV: Using brushed motor driver
EEPROM: I2C connection [OK].
STORAGE: Storage check [OK].
IMU: BMI088 gyro self-test [OK]
STAB: Wait for sensor calibration...
SYS: Free heap: 20416 bytes
STAB: Ready to fly.
As a possible solution direction I've soldered the pins directly to the Flowdeck (as sugggested here: https://wiki.bitcraze.io/misc:hacks:solderpins), in order to make sure the damaged connector problem (viewtopic.php?p=15667#p15667) wasn't the issue. Also the firmware is the most recent version (2021.03). From visual inspection I can't see any damage the the Flowdeck itself, the connections look fine and the components as well.
Is there something else I can try to fix the Flowdeck V2, or should I just order a new one?
Thanks in advance!