Structural Concepts Reveal NR4847RSSV2 User Manual page 30

TROUBLESHOOTING (TO BE PERFORMED BY TRAINED SERVICE PROVIDERS ONLY), PAGE 3 OF 4
CONDITION
Case Lights Are See TROUBLESHOOTING (TO BE PERFORMED BY STORE PERSONNEL)
Not Working section in manual (previous sheet) for most common troubleshooting solutions.
Check power.
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Case Is Not If a large amount of warm product was added to the case, it will take time for the
Holding temperature to adjust. Unit needs product to be pre-chilled.
Temperature
Temperature changes during defrost mode but will return to normal. Fourth LED will
indicate defrost cycle in progress.
Check that case is not in 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 that condenser coil has been cleaned.
Check that magnetic air filter (attached to air intake grille) has been cleaned.
See CLEANING SCHEDULE (TO BE PERFORMED BY STORE PERSONNEL)
Check return air grilles for obstructions.
Check sight glass for flashing and/or low charge.
Check set point temperature; it may be adjusted too high.
If power is not supplied to the case, facility may have faulty power distribution.
If power is supplied to the case but lights are not energized, case's power supply
may be faulty.
section in operating manual for instructions.
TROUBLESHOOTING
30