Haas Alarm: 940 (M) SIDE MOUNT CAROUSEL ERROR – This alarm is generated by the tool changer if the carousel motor is still running when the tool pocket is unlocked and lowered prior to a tool change, if the carousel does not start to rotate after the allowed time specified by Parameter 60, Turret Start Delay, or does not stop rotating after the allowed time specified by Parameter 61, Turret Stop Delay.