Chapter 6 ____________________________________________________________Maintenance
VAISALA
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CHAPTER 6
MAINTENANCE
This chapter provides information that is needed in basic maintenance
of the product.
General
The SPS311 does not need any regular maintenance.
At higher operating temperatures, regular checking of the cooling fan
operation is recommended.
In all maintenance work, remember to proceed in accordance with
electrical safety regulations.
WARNING
Switch SPS311 POWER OFF before replacing any plug-in units.
Unplug the mains connector before replacing the AC power supply
MWP411.
Switch External 24 VDC supply OFF before replacing the DC power
supply MWP312 Or MWP302.
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