XIII. MECHANICAL TROUBLE SHOOTING GUIDE
1. Condensing unit fails to start when programming a | a. | Check power supply to condensing unit. |
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new batch. | b. | Batch was not programmed properly. Select chill method, press START, and if |
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| required select probes. |
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| c. | System problem. Call for service. |
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2. Batch requires too much time to chill product down to | a. | Is the door closed properly? If not, close door completely. |
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40° F. Chill Cycle Batch Over | b. | Too much product loaded. Adjust the load to not exceed capacity of the unit. |
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and a printout will note the chill cycle has exceeded | c. | Product depth in pan exceeds 2”. Reduce pan load per guidelines on page 7. |
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maximum safe time. | d. | Has pan been covered with a lid, plastic wrap or foil, and is this not in direct contact |
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| with the product? Cover product correctly as per guidelines on page 7. |
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| e. | Perhaps the product loaded is of a high density. Allow additional chilling time. |
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| f. | Dirty condenser coil. Clean condenser as per instructions on page 6. |
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| g. | Evaporator coil iced. Allow to defrost (press DEFROST to initiate a manual defrost). |
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3. Food Probe Failure - ALARM will occur during a | a. | Food Probe Failure - printer will notify the operator that it is converting to chilling BY |
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chill cycle batch with printout noting the Food Probe |
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Failure Warning. |
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| b. | When starting a BY TEMP cycle, if food probe is not available, there is an open circuit. |
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| Check the probe plug connection. |
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| c. | Food probe was placed in excessively hot product. Product temperatures exceeding |
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| 210° F can result in the probe reporting false temperatures. Cool food probe and test |
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| again. |
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| d. | Food probe fails and will then operate correctly at a later time. Program a BY |
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| TEMP batch using the suspect probe. Wiggle the food probe wire. If a second Food |
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| Probe Failure occurs the food probe is defective. Replace with new food probe. |
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| g. | Damaged or defective food probe. Replace with new food probe. |
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4. Refrigeration Failure - ALARM with a printout | Refrigeration Failure CORRECTION - Remove power from the unit. Unplug and then |
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noting the warning will occur when the interior | replug the unit or reset the circuit breaker (OFF and back ON). The Blast Chiller will reset |
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temperature exceeds 100° F for more than | and turn ON. Power Loss Failure will printout when reset. |
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Blast Chill refrigeration system will shut down as a |
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safety default. The compressors and blower fans are | a. | Batch programming was incomplete or incorrect and chill cycle did not start. Try |
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shut off and the control key pad is locked out. |
| programming batch again. |
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| b. | Too much product loaded. Adjust the load to not exceed capacity of the unit. |
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| c. | Dirty condenser coil. Clean condenser as per instructions on page 6. |
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| d. | Refrigeration system failure, unit will not cool after having been reset. Call service for |
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| repair. |
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5. Power Loss Notification - Printout notes the time | a. | Power was lost to the Blast Chill unit. If product was inside the unit see the printout |
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power was lost and the time in which it was restored. |
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| temperature before and after the interruption. |
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6. Cannot program a new batch. | a. | Unit may be in a defrost cycle. Batch programming cannot be done while in a |
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| defrost cycle. |
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| b. | If during a BY TEMP chill cycle, a new batch can be added by using the ADD/REMOVE |
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| option. |
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7. Printer not printing. | a. | Printer is out of paper. Replace printer paper roll as per instructions on page 6. |
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| b. | Printer paper may be installed incorrectly. Verify that the thermal sensitive side |
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| of the paper is on the top and feed door closed, see instructions on page 6 or label in |
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| the printer cavity. |
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| c. | Paper does not feed or jams behind the paper feed slot in the cover. Remove paper |
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| and reinstall as per instructions on page 6 or label in the printer cavity. |
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8. No display on control. | a. Check power supply and circuit breaker. |
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| b. Confirm unit is correctly plugged into a working power outlet. |
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| c. System problem. Call for service. |
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9. Condensation on exterior surface. | Condensation on the exterior surface of the unit is perfectly normal during periods of high |
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| humidity, otherwise refer below for other possible causes. |
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a. Check door alignment and gasket for proper seal.
b.On
c.Electric door heater malfunction. Call for service.
Quality Refrigeration
Traulsen
4401 Blue Mound Road Fort Worth, TX 76106
Phone: (800)
Website: www.traulsen.com
HOURS OF OPERATION:
© 2006 Traulsen - All Rights Reserved | Monday thru Friday 7:30 am - 4:30 pm CST |
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