You did not press the high power on/off button before the timeout period expired. This message also can result from a faulty cable Controller Interface Panel (CIP) or AWC. If working from the keyboard reissue the enable power monitor command and promptly press the high power on/off button when instructed to do so. If working from the MCP follow the procedure appropriate for enabling high power for the safety category of your system. Promptly press the high power on/off button when instructed to do so. If the timeout period is too short adjust it by using the CONFIG_C utility to change the POWER_TIMEOUT statement in the V+ configuration data.