Leica CM3050 S, Service Manual

Page: 176 / 287

Chapter 4
Service Manual / Leica CM3050 S Page 8 Version 1.0 12/00
© Leica Microsystems
4.2 Condenser Unit
Trouble-shooting refrigerating systems
High-quality repairs must be preceded by a syste-
matic trouble-shooting procedure!
The most frequent malfunctions can be roughly
categorized as follows:
- electrical malfunctions, including safety shut-
downs.
- mechanical defects of compressor and
functional elements
- insufficient refrigeration
The table below is therefore only a short set of
instructions on how to proceed.
Malfunction 1: Compressor does not start
3RVVLEOHFDXVH +RZWRYHULI\WKHFDXVH 5HPHG\
0DLQVVZLWFKRII
)XVHDFWLYDWHGEORZQ
&KHFNVZLWFKSRVLWLRQ
&KHFNIXVHYLVXDOLQVSHFWLRQRU
ZLWKORDGWHVWLQJGHYLFH
6HOHFWFRUUHFWVZLWFKSRVLWLRQ21
5HSODFHWKHIXVHRUSXVKLWEDFNLQ
3RZHUVXSSO\WRFRQWUROER[
LQWHUUXSWHG
8VHORDGWHVWLQJGHYLFHWRYHULI\
YROWDJHIHHGDWLQSXWFODPSV
+DYHGDPDJHLQPDLQVRUOHDG
UHPRYHGE\HOHFWULFLDQ
0HFKDQLFDOVWDUWVWUDLQUHOLHI
PLVVLQJRUGHIHFWLYH
9LVXDOLQVSHFWLRQ
IXQFWLRQDOFKHFNRIVROHQRLGYDOYH
DQGFKHFNYDOYH
8SJUDGHLQVWUXPHQWRUH[FKDQJH
GHIHFWLYHSDUW
0RWRUFRLOGHIHFWLYH &KHFNUHVLVWDQFHRIFRLOV ([FKDQJHPRWRURUHQWLUH
FRPSUHVVRU
0HFKDQLFDOFRPSUHVVRUGDPDJH
VXFKDVEURNHQFRQQHFWLQJURG
GDPDJHGEHDULQJ
9LVXDOLQVSHFWLRQ ([FKDQJHFRPSUHVVRU
7HPSHUDWXUHFRQWUROOHUGHIHFWLYHRU
VZWLFKHGRII
(OHFWULFDOFKHFN ([FKDQJHFRPSUHVVRURU
WHPSHUDWXUHFRQWUROOHU.OL[RQ