KIRLOSKAR CHILLERS PRIVATE LIMITED
A Kirloskar Group Company IOM-KAC-ENG - Page 38
Chapter 5 Troubleshooting
POSSIBLE CORRECTIVE
STEPS
A.
COMPRESSOR WILL
NOT START
Fuse blown. Circuit breakers
open.
Check electrical circuits and motor
winding for shorts Investigate for
possible over-loading. Replace fuse
or reset breakers after fault is
corrected.
Thermal overloads tripped.
Overloads are auto reset. Check
unit closely when unit comes back
on line.
Defective contactor or coil.
System shut down on safety.
Determine type and cause of
shutdown and correct it before
restart.
Wait until unit calls for cooling /
load.
Liquid line expansion valve has
not operated.
Check all wire junctions. Tighten
terminal screws.