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Product is Drying Out
TSP*: Check the relative humidity in the store.
Doors/Glass Won’t Shut
Properly
TSP*: Confirm that the case is aligned, level and plumb.
System is not Operating
Confirm that the utility power is on.
Confirm that the MAIN power switch is on.
TSP*: Check the circuit breaker box for tripped circuits.
If cord is used, confirm that unit is properly plugged in.
Case Lights Not Working
Be sure
ALL
lights are plugged in or receptacles capped.
Check bulbs for proper installation and connection.
Check for burned out bulbs.
Clean dirt and dust from the bulbs to prevent flickering.
After performing all other checkpoints, if lights are still not working check for
faulty ballasts; this should be performed by a certified electrician.
Fans Not Working
TSP*: Check that fans are plugged in at the fan shroud.
TSP*: Check for foreign material obstructing fan performance.
Case Not Properly Lining
Up
TSP*: See
Installation
section of Manual for instructions on properly aligning
case and adjusting levelers (alongside other cases).
Condensing Unit Not
Operating.
Controller is in defrost mode (not an alarm). Compressor is running in a
normal condition. See the Temperature Controller section of this manual.
Check that the power is turned on.
TSP*: Review factory time settings on the temperature controller.
Not Holding Temperature
The temperature will change during defrost mode but will return to normal.
Warm product may have been added to the case. Note: Product must be
pre-chilled to 41 °F (5 °C) or less prior to being placed in merchandiser.
Discharge air must not be disrupted or blocked by product.
TSP*: Check that the coil fans are working.
TSP*: Check the evaporator coil for ice build up.
Check that the case is not in the sun or near a heat or air-conditioning vent.
Check that case is NOT located near outside doors. Wide temperature
fluctuation can challenge case’s ability to hold internal product temperatures.
Check that the condenser coil is clean (self contained unit).
TROUBLESHOOTING: GENERAL OVERVIEW
*TSP = Trained Service Providers