Maintaining and cleaning the switching power supply SMP301
22
8.2 Using the surge protector (optional)
The optional surge protector (item number 9106505815) is connected on the supply
side of the switching power supply. The surge protector disconnects the power sup-
ply line if the input voltage exceeds approx. 270 V.
➤ Check whether the red LED (fig. 0 1, page 8) lights up.
✓ If the red LED lights up, this indicates that a voltage surge has occurred.
➤ Wait 20 to 30 minutes.
➤ The surge protector resets itself automatically as soon as the voltage returns to a
permissible value. Once the voltage has reached a permissible value, the red LED
remains lit up for 20 to 30 minutes.
9 Maintaining and cleaning the switching
power supply
A
➤ Disconnect the switching power supply from the power supply.
➤ Clean the switching power supply using a cloth as required.
NOTICE!
Do not use any sharp or hard objects for cleaning since they may dam-
age the device.
SMP301-01-02-03-04-05-10--IO-7s.book Seite 22 Mittwoch, 23. Oktober 2019 11:56 11
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