What does a low working capital turnover ratio indicate?

Under utilization of working capital

Working Capital Turnover Ratio = Net Revenue from Operation /Working Capital
High turnover of capital employed, working capital and fixed assets is a good sign and implies efficient utilisation of resources. Utilisation of capital employed or, for that matter, any of its components is revealed by the turnover ratios. Higher turnover reflects efficient utilisation resulting in higher liquidity and profitability in the business.