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FWE MOBILE REFRIGERATED AIR SCREEN
TROUBLESHOOTING GUIDE
HELPFUL HINTS FOR TOP PERFORMANCE:
1. LOAD CABINET FROM BOTTOM TO TOP
2. PUSH PANS AND TRAYS ALL THE WAY BACK TO REAR WALL
3. UNLOAD CABINET FROM TOP TO BOTTOM
4. REGULARLY CLEAN CONDENSER (COMPRESSOR) COIL
PROBLEM
1. Product zone temperature too high.
2. Air Screen unit fails to start - no hum.
3. Condensing unit fails to start - hums but
trips on overload protector.
POSSIBLE CAUSE/REMEDY
1. Control Setting Too High - Reset Control
2. Inadequate Air Circulation - Rearrange Product Load To
Improve Air Circulation And Flow. Keep Empty Trays in Position.
3. Unit May Need To Be Manually Defrosted. (Refer to Page 5.)
4. Unit May Be In Defrost Cycle. See Indicator Light. Close Door And
Wait 20 Minutes for Defrost Cycle To Finish.
5. Clean the Condenser (Refer to Page 11.)
1. Power Cord is Disconnected - Reconnect
2. Fuse - Replace Fuse
3. Circuit Breaker has Tripped. Reset Breaker in Electrical Box.
4. Overload Protection - Determine Reason & Correct,
Replace If Necessary
5. Unit may need to be defrosted or has tripped off due to overload.
Wait 30 minutes: Unit will self-reset.
1. Unit may need to be defrosted or has tripped off due to overload.
Wait 30 minutes: Unit will self-reset.
2. Improperly Wired - Check Wiring Against Diagram
3. Low Voltage - Determine Reason & Correct
4. Starting Capacitor Defective - Determine Reason & Replace
5. Relay Not Closing - Determine Reason & Correct,
Replace If Necessary
6. Compressor Motor Has Winding Open Or Shorted - Replace
Compressor
7. Internal Mechanical Trouble In Compressor - Replace
Compressor
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