function reason = getReason(codes)
if codes(1) == 0
    if codes(2) == 0
        if codes(3) == 0
            reason = '正常';
        elseif codes(3) == 1
            reason = '低温过热(低于150℃)';
        elseif codes(3) == 2
            reason = '高温过热(高于700℃)';
        end
    elseif codes(2) == 1
        if codes(3) == 0
            reason = '局部放电';
        elseif codes(3) == 1
            reason = '正常';
        elseif codes(3) == 2
            reason = '高温过热(高于700℃)';
        end
    elseif codes(2) == 2
        if codes(3) == 0
            reason = '低温过热(150~300℃)';
        elseif codes(3) == 1
            reason = '中温过热(300~700℃)';
        elseif codes(3) == 2
            reason = '高温过热(高于700℃)';
        end
    end
elseif codes(1) == 1
    if codes(2) == 0
        reason = '低能放电';
    elseif codes(2) == 1
        reason = '低能放电';
    elseif codes(2) == 2
        reason = '低能放电兼过热';
    end
    
elseif codes(1) == 2
    if codes(2) == 0
        reason = '电弧放电';
    elseif codes(2) == 1
        reason = '电弧放电';
    elseif codes(2) == 2
        reason = '电弧放电兼过热';
    end
    
end
end