18
TROUBLESHOOTING - GENERAL ISSUES (PAGE 3 of 3)
CONDITION
TROUBLESHOOTING
Control Display Is Flashing
Check Temperature Controller section in this manual.
Condensing Unit Is Not Operating
(Self-Contained Units Only)
Check Temperature Controller section in this manual.
Check that the power is turned on.
Review Temperature Controller’s Settings for accuracy.
Check that
ALL
lights are plugged in and receptacles capped.
See
MAINTENANCE FUNDAMENTALS - LED LIGHT FIX-
TURES
section in this manual for illustrations.
Case Lights Are Not Working
Check that Light switch is in the
ON
position (self-contained
cases only). Remote case lights come on at start-up.
Check for burned out bulbs. Turn lights off & replace.
Clean dirt and dust from the bulbs to prevent flickering.
Check to insure voltage at ballasts. If voltage is entering but
not exiting the ballast, ballast is faulty.
