11 Maintenance
70
D52IB001EN-G
11.4 Checking and Replacing Mains
Fuses
Two mains fuses are located in the fuse box (1) on
the backside of the CCU 100.
Exchange the mains fuse as follows:
1. Switch off CCU 100 and disconnect all cables
from the rear side.
2. Use a small screw driver to push out the fuse
holder on both sides.
3. Press the plastic bracket together and take the
fuses out.
4. Check the fuse or exchange the defective fuse.
(The two mains fuses are made of ceramic.
Spec.: 2 x T 6.3 A)
5. Put the fuse box back into the cavity of the
power supply.
WARNING
High voltage
Make sure that BEFORE performing any ser-
vice/maintenance work of the CCU 100, the
instrument is disconnected from the mains sup-
ply.
Only use the specified fuse types.
NOTICE
Risk of damage.
Service and/or maintenance procedures which
involve checking and replacing fuses may only
be performed by authorized service personnel.
1
NOTICE
Risk of damage.
Only use the specified fuse types to avoid dam-
age.
Summary of Contents for TTK 600
Page 2: ......
Page 74: ...Appendix B Sample Chamber Dimensions 74 D52IB001EN G Appendix B Sample Chamber Dimensions ...
Page 75: ...Appendix C Declaration of Conformity D52IB001EN G 75 Appendix C Declaration of Conformity ...
Page 77: ...Appendix D Spare Parts and Accessories D52IB001EN G 77 176383 COOLING MODE SWITCHING VALVE ...