Siruba LBHS-1790S Instruction Book / Parts List page 91

1. 為了防止觸電事故，關掉電源 5 分鐘之後再打開外罩。
注意
2. 請一定關掉電源開關之後再打開控制箱的蓋子，更換規定容量的保險
絲。
CAUTION
1. To avoid electrical shock hazards, turn OFF the power and open the
control box cover after about five minutes have passed.
2. Open the control box cover after turning OFF the power without fail.
Then, replace with a new fuse with the specified capacity.
Introduction
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③
P73