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Pre-Service Checklist
You may avoid the cost and inconvenience of an unnecessary service call by first reviewing this
checklist of frequently encountered situations that can cause unsatisfactory case performance.
CAUTION:
Before servicing case turn off power at the main breaker of fuse
box.
Case Does Not Operate
-Check for disconnected power supply.
-Check for tripped breaker or blown fuse.
-Check that power switch is on.
Lights Do Not Operate
-Check that light switch is on.
-Be sure light cord is properly seated into LED light strip.
-Is the light cord plugged in to light strip upside down.
Case Temperature Too Warm
-Check that the cold air inlet and outlet slots are not blocked.
- Be sure that the rear doors are closed and tightly sealed.
-Check for a blocked or dirty condenser coil fins.
-Check cold airflow. Lack of adequate cold airflow could be a defective evaporator fan or
blocked evaporator coil. Check that paper or foreign material is not blocking evaporator.
If the evaporator coil is blocked due to excessive frost, turn the power switch “off” position
for approximately one hour to defrost.
-Is the case installed properly to allow adequate air flow to and from condenser?
-Check that the electronic control settings are correct.
-Check environment conditions. This case is designed to operate in no more than 80 degree
55 percent humidity.
