Dixie Narco DNCB 501E - Product Temperature and Noise Troubleshooting; Symptom: Product Too Cold or Frozen; Symptom: Noisy Refrigeration Unit

Set-up subject to change without notice. For packages not listed contact Dixie-Narco Factory
Service at (800) 688-9090. Page 74 of 72
SYMPTOM: PRODUCT TOO COLD OR FROZEN
Possible Cause: Compressor Runs Too Long or Continuously
WHAT TO CHECK SOLUTION
1. Is the temperature control the correct one for the equipment being
used?
YES
1. NO, install correct control.
2. Is the temperature control pointer set properly?
YES
2. NO, set properly.
3. Is the temperature control bulb located properly.
YES
3. NO, correct..
4. Is the temperature control operational?
YES
4. NO, replace.
5. Does the evaporator frost over completely while the system is
running?
YES
5. NO, check for leaks or a low charge.
6. Consult the Dixie-Narco Factory Service at
1-800-688-9090.
Note: Have the vender model and serial number available.
SYMPTOM: NOISY REFRIGERATION UNIT
WHAT TO CHECK SOLUTION
1. Are the refrigerant lines free of contact with surfaces?
YES
1. NO, reposition tubing.
2. Is the condenser fan blade obstructed or damaged?
NO
2. YES, free any obstructions or replace the blade if
need..
3. Is the evaporator fan blade obstructed or damaged?
NO
3. YES, free any obstructions or replace the blade if
needed.
4. Is the compressor noisy?
NO
4. YES, replace.
5. Consult the Dixie-Narco Factory Service at
1-800-688-9090.
Note: Have the vender model and serial number available.