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Caution:
Check that the AC input cable and the DC output
cable are firmly connected to eliminate poor or
loose contact.
3.4.2 Commissioning the RPS Unit
z
Before powering on the RPS unit, check the
AC input with a multimeter set to the
resistance measurement function to eliminate
any short circuit.
z
Upon powering on the RPS unit, check that
output current LEDs on the front panel
indicate the normal output condition.
z
If the alarm LED on the front panel lights up
after the RPS unit is powered on, you are
encountering a power module failure or AC
mains problem. Check the power input.
3.5 Replacing Fuses
Follow these steps to replace a blown fuse:
Step 1: Check that the RPS unit is powered off.
Step 2: Press down the fuse cover (refer to Figure
2 on page 4) appropriately with a flat-blade
screwdriver, turn the fuse cover approximately 90°
anticlockwise, and then release the screwdriver so
that the fuse is ejected together with the fuse cover.