Check on 7α Panel

(https://www.daowen.com)

Press“TEST”button on 7α panel and 8 indicators will NOT light up(left and right“FIRE”and“FAIL”indicators,left and right“LIMIT”indicators and indicators of the transfer pump).Press“DIM”button and 7α panel will dim out.Press left and right“LIMIT”indicators and they will be brightened.