Technical information

PLC C
ONTROL
ALARM
CONDITIONS
Alarm
Condenser Filter
Fault alarm
(Water-cooled mod-
els only)
Possible cause
Clogged strainer.
The differential pressure
switch is faulty.
Other piping obstruction.
Condenser fouled.
Solution
Clean strainer; replace as needed.
Check wiring and voltage; replace
switch as needed.
Check that all piping is large
enough to carry fluid. Replace
any piping or conduit that is too
small. Clean any clogs.
Clean Condenser. See Cleaning
the Evaporator or Water-cooled
Condenser, in the Maintenance
section.
UGH024/1103 Portable Chillers
TROUBLESHOOTING
6-39