SECTION 2 PREPARATIONS BEFORE USE
2-9
Replacing fuse
WARNING
• If the fuses are replaced while power is supplied, there is a serious risk of electric shock.
Before replacing the fuses, set the power switch to OFF and remove the power cord from
the power outlet.
• If power is supplied without protective grounding, there is a risk of accidental electric shock.
In addition, if the AC power supply voltage is unsuitable, there is a risk of the internal circuits
of the MS2665C/2667C being damaged by the abnormal voltage. Before supplying power
again after changing the fuses, check that the protective grounding described previously is
still connected, and check that the AC power supply voltage is suitable. Then, set the power
switch to ON.
CAUTION
When there are no supplied spare fuses, the replacement fuses must have the same rated
voltage and current as the fuses in the fuse holders.
• If the replacement fuses are not of the same type, they may not fit correctly, there may be a
faulty connection, or the time taken to for the fuses to blow may be too long.
• When an abnormality occurs again, if the voltage and current rating of the fuses is incorrect,
the fuses may not blow with a consequent risk of damage to the equipment by fire.
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