Check or change: F8001(250V/8A) OPEN.
Check or change: IC8003, Q8008, D8018, ZD8225, D8016, ZD8100 , D8017, ZD8200
Check or change: Copper side: Q8002, ZD8205, ZD8102
RELAY ON & OFF
Check or change: U8003 DEAD.
Check or change: IC8012 DEAD.
Check or change: HIC8001 ALARM BOARD.
Check or change: IC8011 DEAD.
