Repair
Replace Power
Supply
1. Perform Shutdown, page 50.
2. Disconnect input and output cables from
both sides of the power supply. See
Electrical Schematics, page 106.
3. Insert a flat head screw driver in the mounting
tab on the bottom of the power supply to remove
from the din rail.
4. Install new power supply (535) in reverse order.
Figure 20 24 VDC Power Supply
Replace Surge
Protector
1. Loosen connections on terminals 1 and 3 on
CB02.
2. Loosen connections on input to power supply
(535) on N and L connections.
3. Remove two screws (413) and surge protector
(505) from enclosure.
4. Install new surge protector (505) in reverse order.
Note
Wire on both the circuit breaker and power
supply are interchangeable.
Figure 21 Surge Protector
78 333024N
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