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You can avoid most problems by following the recommended
installation, operation and maintenance procedures outlined in
this User Guide. If you do have a problem, this section will
help you determine what caused it and tell you how to fix it.
Before you begin troubleshooting:
❏ Find the wiring, plumbing and other diagrams
that were shipped with your equipment.
These
diagrams are the best reference for correcting a problem.
The diagrams also will note any custom features, such as
special wiring, control or plumbing options, not covered in
this User Guide.
❏ Verify that you have manuals for other equip-
ment in the process line.
Solving problems may
require troubleshooting malfunctions or incorrect operating
procedures on other pieces of equipment.
❏ If an alarm is present, note any indicator lights
and messages shown on the control panel.
These
indicators will help you discover the cause of the problem
more quickly.
The chiller is equipped with many safety devices. Do not
remove or defeat them. Improper corrective action can lead to
hazardous conditions, and should never be attempted to sus-
tain production.
microKool Portable Chillers UGH004/0999
6-2 TROUBLESHOOTING
BEFORE
BEGINNING
A FEW WORDS
OF
CAUTION
WARNING: This machines should be
adjusted and serviced only by qualified techni-
cal personnel who are familiar with construc-
tion and operation of this type of equipment.
DANGER: Voltage hazard.
Troubleshooting the electrical system of this
equipment requires use of precision electronic
measuring equipment, and may require access
to the electrical enclosure while power is on.
Exposure to potentially fatal voltage levels may
be unavoidable. These troubleshooting proce-
dures should be performed only by qualified
electrical technicians who know how to use
this precision electronic equipment and who
understand the hazards involved.