C6 Electronic flush valves ยท Installation | 831 Euret-E Installation, use and maintenance 9Maintenance mode Maintenance mode Should you wish to repair the product, it is not necessary to remove the sensor. Just apply a piece of tape on the sensor window, and after flushing you may proceed with the maintenance. Manual flush 1. If you wish, you may activate the manual flush to clean the urinal. 2. Place the magnet in the lower part of the sensor for 1 second to enter the manual mode. In the manual mode, the sensor will be deactivated for 5 minutes, and later on a full flush will be performed for 1 minute. (Apply a magnet during the flush if you wish to stop the flush and return to the automatic sensor mode.) If while in manual mode you would like to advance the forced flush, please place the magnet again in the lower part of the sensor. The product will perform a flush for 1 minute and will return to the automatic sensor mode. Sensor magnet Switch off flush Sho uld the prod uct need to be disconnected for maintenance or cleaning, please follow these steps: 1. Ent er into manual flush mode. 2. Disassemble panel and disconnect the sensor (either batteries or transformer). Low battery indication / battery replacement (A35945E..O, A35945S..0) To indicate that the battery level is low, the sensor light of the IR filter will blink in 2-second intervals. When the sensor light of the IR filter is continuously active, this indicates that the batteries are empty, the flush will not continue working and therefore it is necessary to replace the batteries. Please refer to chapter 4 of the manual to follow the steps for the replacement of batteries. Sensor indicator 10Cleaning and Maintenance IR filter cleaning Please keep IR filter clean, use always neutral detergents and a soft cloth. Do not use abrasive cleansers, oils, acids or other liquids that might damage the product. Do not apply air fresheners, disinfection liquids or other liquids on the IR filter. Use only water for domestic use and avoid the use of water with a high degree of acidity, alkalinity or a high degree of impurities that might damage the product.