L2SS-974 removed lock exception and instead print a warning log

tangostationcontrol/tangostationcontrol/devices/ccd.py

@@ -128,7 +128,7 @@ class CCD(opcua_device):
             if self.read_attribute("CCDTR_I2C_error_R"):
                 raise Exception("I2C is not working. Maybe power cycle subrack to restart CLK board and translator?")
             else:
-                raise Exception("CCD clock is not locked")
+                logger.warning("CCD not locked, this may indicate the clock has not yet warmed up")
 
     def _disable_hardware(self):
         """ Disable the CCD hardware. """