Ariston 63 Error codes (also for Ariston LI640):
1000 Float Switch: Water in Base Pan
1100 No Drain: Draining Motor Disabled, Filters Clogged, Draining Hose Blocked
1010 Main Motor Presure Switch Blocked Filter
1001 Control Board: Software of Control Board not Recognized.
0100 Water Valve: Water Valve Diabled
0110 Fill Fault: Water Valve Disabled, Turbine Disabled or Control Board
0101 Heating Element disabled or High Limit Open or Control Board
0010 NTC defective or not positioned or control board
0001 NTC defective or not positioned or control board
KEY: 0 = LED off, 1 = LED flashing
Michael S
April 2007