Replacing The Redundant Power Supply - Siemens SIMATIC IPC647D Operating Instructions Manual

7.3.4

Replacing the redundant power supply

This work is required if a malfunction or a fault was reported for the redundant power supply.
The LED of the defective module is not lit up then (see chapter "Device views (Page 15)").
Note
If a module of the redundant power supply is defective, the device continues to function with
the second module that is not defective. To ensure the availability of your system by means
of the redundant power supply, shut down the device as soon as possible correctly and
replace the defective module.
Requirement
● The device is disconnected from the power supply, see chapter "Switching off the device
● The power supply cables have been removed (see chapter "Connecting a redundant
● 1 crosstip screwdriver
Procedure
Read the section "ESD guideline (Page 119)".
Removal
1. Remove the marked screw at the
2. Pull out the defective module from the
3. Insert the new module and secure it
4. Reconnect the power supply cables.
SIMATIC IPC647D
Operating Instructions, 01/2014, A5E32996306-AA
(Page 51)".
power supply (Page 39)")
defective module.
frame using the hinged handle.
with the screw.
Device maintenance and repair
7.3 Removing and installing hardware
91