20
TROUBLESHOOTING, GENERAL - CONTINUED
CONDITION TROUBLESHOOTING
Fans Are Not Working, Continued Check that power is going to fan
Check that fan wiring is connected on terminal blocks.
System Is Not Operating Check that the utility power is on.
Check the circuit breaker box for tripped circuits.
Case Is Not Holding Temperature If a large amount of warm product was added to the case, it will
take time for the temperature to adjust. Product should be
pre-chilled before placing in display case.
Check Temperature Controller section in this manual.
Check that the case is not in the sun or near a heat or air
conditioning vent.
If case is located near outside doors, temperature fluctuation can
hinder unit’s ability to maintain temperature.
Check air grilles for obstructions. Maintain airflow clearance of
6” (minimum) to 12” (recommended) at case front and rear.
Check sight glass for flashing and/or low charge.
Check set point Temperature; it may be adjusted too high.
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.
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