Structural Concepts Harmony HMG2642R.4439 User Manual page 18

TROUBLESHOOTING - GENERAL ISSUES (PAGE 3 of 3)
CONDITION
Case Lights Are Not
Working
Control Display Is
Flashing
Condensing Unit Is Not Op-
erating (Self-Contained
Units Only)
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.
Electricians Only: Check to insure voltage at ballasts. If voltage is
entering but not exiting the ballast, ballast is faulty.
LED Lights: Check that ALL lights are plugged in and receptacles capped
as shown in illustration below.
Gap
See MAINTENANCE FUNDAMENTALS - LED LIGHT FIXTURES
section in this manual for illustrations.
Check Temperature Controller section in this manual.
Check Temperature Controller section in this manual.
Check that the power is turned on.
Review Temperature Controller's Settings for accuracy.
18
TROUBLESHOOTING
No Gap