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11 | Maintenance and troubleshooting
Fitting the cover
↻ The fan has been correctly installed and all impurities in the area of the cover
have been removed.
1. Lift up the cover from both sides, place it on the mounting clips and carefully
press it in.
2. Insert the fastening screws into the cover on both sides and tighten them [
_T20 /
17.70 In-Ibs ].
ð You may now start up the device [See section 8} Page 38].
11.4
Replacing overvoltage protection
AC overvoltage protection
↻ NOTE: If the message "Overvoltage protection module defective" ap-
pears in the web interface, these modules must be replaced.
↻ NOTE: Ensure that the device is completely free of AC/DC voltage.
1. [ [See section 7.2} Page 24]].
2. Remove faulty modules individually from the plug-in frame and replace with a
module of the same type.
NOTE: Different AC surge protection modules are used. The designation
on the PCB must match the module code (GTD/MOV).
1. Insert the AC overvoltage protection modules into the plug-in frame one after
another.
2. Ensure that all protective elements are properly secured.
ð Proceed with the installation of the device.
DC overvoltage protection
↻ NOTE: If "defective" appears in the status display of the overvoltage
protection module, it must be replaced.
↻ NOTE: Absence of AC/DC voltage ensured.
1. [See section 7.2} Page 24].
2. Unlock faulty modules via the locking latch.
3. Remove the defective modules one-by-one out of the DC base and replace with
a module of the same type.
. NOTE: The coding at the base plug-in position must match the cod-
ing on the module.
4. Insert the DC overvoltage protection modules into the DC base one after an-
other.
5. Secure new modules using the locking latch.
6. Ensure that all protective elements are properly secured.
ð Proceed with the installation of the device.
11.5
Shutting down for maintenance / troubleshooting
Shutdown sequence
1. Switch off the grid voltage by turning off the external circuit breakers.
2. Disconnect the DC side using the DC isolator switch.
. DANGER! The DC cables are still live
Page 104
KACO blueplanet 92.0 TL3 US KACO blueplanet 110 TL3 US KACO blueplanet 125 TL3 US
Manual
2
Fig. 108: Fitting the cover
2 Fastening screw
3
4
2
1
Fig. 109: Inserting AC overvoltage
modules
1 AC surge protection socket
2 AC intermediate plug-in
frame
3 AC surge protection module
(4 slots)
4 SPD monitoring jumper
2
1
Fig. 110: Inserting overvoltage
modules
1 DC base
2 DC overvoltage protection
module (3 slots)
3 Jumper
3
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Table of Contents
Troubleshooting
