# Pin errors (0x0900)

The following table lists the pin errors (0x0900):

Error name | Hex | Description | Category
--- | --- | --- | ---
PIN_ERROR_INVALID_PARAM | 0x0902 | Invalid pin parameter. | 1
PIN_ERROR_OUT_OF_MEMORY | 0x0903 | No more memory. | 3
PIN_ERROR_FAN_OUT | 0x0904 | Too many input pins connected to one output pin. | 1
PIN_ERROR_FAN_IN | 0x0905 | Too many output pins connected to one input pin. | 1
PIN_ERROR_DROPPING_DATA | 0x0906 | Unconnected pin. Data dropped. | 1
PIN_ERROR_CS_IS_UNKNOWN | 0x0907 | Internal pin error. | 3
PIN_ERROR_INVALID_PIN | 0x0908 | Pin does not exist. | 1
PIN_ERROR_ADDRESS_IN_USE | 0x0909 | Circuit switched pin stream and timeslot already in use. | 1