TROUBLESHOOTING
33
COMPRESSOR WILL NOT START
Power to the
Refrigeration system.
Compressor is
unplugged.
Plug compressor in outlet on
face of main wiring harness
distribution block.
Low voltage.
Check power
source.
Defective refrigeration
component (capacitor,
overload, relay).
Replace.
Defective compressor.
Replace.
Troubleshooting Tip:
Use a short 15 Amp extension cord and
plug the compressor directly into the wall outlet.
This will bypass the Electronic Controls.
Note: For Testing Purposes Only.
Electronic problem.
1. Check relay.
2. Harnessing.
3. Temperature Sensor or control.
4. Control Board.
Compressor will not start.
Summary of Contents for DNCB 501E
Page 26: ...MAJOR COMPONENT DESCRIPTION 25 HT2 UNIVERSAL CONTROLLER...
Page 42: ...WIRING DIAGRAMS AND SCHEMATICS 41 HT2...
Page 43: ...TROUBLESHOOTING 42 HT3...
Page 44: ...WIRING DIAGRAMS AND SCHEMATICS 43 Refrigeration Circuit Diagrams...
Page 45: ...WIRING DIAGRAMS AND SCHEMATICS 44...
Page 53: ...PARTS LIST NA Not Applicable Part numbers subject to change without notice 52 SELECT PANEL...
Page 55: ...PARTS LIST NA Not Applicable Part numbers subject to change without notice 54 T8 LIGHTING...
Page 59: ...PARTS LIST NA Not Applicable Part numbers subject to change without notice 58 INNER DOOR...
Page 71: ...PARTS LIST NA Not Applicable Part numbers subject to change without notice 70 CABINET INTERIOR...
Page 81: ...PARTS LIST NA Not Applicable Part numbers subject to change without notice 80 SCREWS NUTS...