A control module (115, 200) for controlling a driver configured to control a lighting load, the driver powered from a power source, the control module comprising: an output power connection (H2, N2) adapted to be coupled to the driver for providing power to the driver; a power measurement circuit (230, 232) coupled to the output power connection for measuring an amount of power being delivered to the driver; a control connection (C1, C2) adapted to be coupled to the driver and adapted to provide a control signal in accordance with an analog control technique and a digital control technique; a control circuit configured to generate the control signal at the control connection according to the analog control technique, characterised in that the control circuit is further configured to attempt to adjust an intensity of the lighting load to a predetermined intensity using the analog control technique, and measure the power being consumed by the driver and the lighting load at the predetermined intensity using the analog control technique to determine if the driver is responsive to the analog control technique; and the control circuit is configured to: transmit a digital message to the driver via the control connection according to the digital control technique, and determine if the driver transmitted a response to the digital message to determine if the driver is responsive to the digital control technique; or receive a digital message indicating a measured intensity of the lighting load, and determine if the driver is responsive to the digital control technique based on the measured intensity. an output power connection (H2, N2) adapted to be coupled to the driver for providing power to the driver; a power measurement circuit (230, 232) coupled to the output power connection for measuring an amount of power being delivered to the driver; a control connection (C1, C2) adapted to be coupled to the driver and adapted to provide a control signal in accordance with an analog control technique and a digital control technique; a control circuit configured to generate the control signal at the control connection according to the analog control technique, characterised in that the control circuit is further configured to attempt to adjust an intensity of the lighting load to a predetermined intensity using the analog control technique, and measure the power being consumed by the driver and the lighting load at the predetermined intensity using the analog control technique to determine if the driver is responsive to the analog control technique; and the control circuit is configured to: transmit a digital message to the driver via the control connection according to the digital control technique, and determine if the driver transmitted a response to the digital message to determine if the driver is responsive to the digital control technique; or receive a digital message indicating a measured intensity of the lighting load, and determine if the driver is responsive to the digital control technique based on the measured intensity. transmit a digital message to the driver via the control connection according to the digital control technique, and determine if the driver transmitted a response to the digital message to determine if the driver is responsive to the digital control technique; or receive a digital message indicating a measured intensity of the lighting load, and determine if the driver is responsive to the digital control technique based on the measured intensity.