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IX. TROUBLE SHOOTING GUIDE
VIII. OPERATIONAL TROUBLESHOOTING (cont’d)
VIII. g - OTHER CAUSES OF EXTENDED THAW TIMES (cont’d):
evaporator exit air can be short circuited on to the top two or three upper right hand levels and be routed right back
to the return evaporator inlet duct. Therefore, those upper shelves could get very cold and perhaps a substantial
amount of product on the right side could become very cold and possibly even refreeze (as the
evaporator outlet air temperature is 20 degrees F).
FIND YOUR PROBLEM HERE REMEDY
1. Condensing unit fails to start a. Check if cord & plug has been disconnected.
2. Condensing unit operates for a. Are doors closing properly?
prolonged periods or continuously. b. Dirty condenser or filter. Clean properly.
c. Evaporator coil iced. Needs to defrost.
d. Shortage of refrigerant, call service.
3. Food compartment is too warm. a. Check doors and gaskets for proper seal
4. Condensation on the exterior surface. a. Check door alignment and gaskets for proper seal.
5. Compressor hums but does not start. a. Call for service.
6. “Call Service” light is lit. a. Call for service. A temperature sensing probe may have
failed.
7. Excessively long product thaw times. a. Review sections “VIII. e” thru “VIII. g”.
b. Call for service.