MultiPlus-II 2x120V Page 24 Error Indications Bulk, Absorption , Float LEDs Co de Description Cause/solution 22 This device cannot function as ‘slave’. This device is an obsolete and unsuitable model. It should be replaced 24 Switch-over system protection initiated. Should not occur in correctly installed equipment. Switch all equipment off, and then on again. If the problem recurs, check the installation. Possible solution: increase lower limit of AC input voltage to 110 VAC (factory setting is 90 VAC) 25 Firmware incompatibility. The firmware of one the connected devices is not sufficiently up to date to operate in conjunction with this device. 1. Switch all equipment off. 2.
Switch the device returning this error message on. 3. Switch on all other devices one by one until the error message reoccurs. 4. Update the firmware in the last device that was switched on. 26 Internal error. Should not occur. Switch all equipment off, and then on again. Contact Victron Energy if the problem persists.