Your Optimal Audio SmartAmp should require minimal maintenance and prove to be a reliable workhorse in your sound system.
From time to time it may be necessary to clean the fan filters. SmartAmps are forced air cooled, and if located in certain environments the filters can become blocked, causing the amplifier to run at high temperatures, with the potential for shut down.
If in doubt, contact your distributor, who will help you with whatever you need to keep your Optimal Audio system running at its best.
SmartAmp Processor and DSP firmware should be kept up to date using the SmartAmp Updater Tool. See - SmartAmp - Updating Firmware.