If the configuration setting of: DPU_SHOW_LOADING_IMAGE, was set to false the price and other information do not update as expected (update information without use of an image). In review of operation in this configuration there were a few things that require updating.
Identified by @webchills in the ZC forum: https://www.zen-cart.com/showthread.php?70577-Dynamic-Price-Updater&p=1329957#post1329957
If the configuration setting of: DPU_SHOW_LOADING_IMAGE, was set to false the price and other information do not update as expected (update information without use of an image). In review of operation in this configuration there were a few things that require updating.