Troubleshooting (Continued)
Screen Displayed | Possible Cause | Troubleshooting Procedures |
COOL TEMP SENSOR OUT OF RANGE
CHECK FOR BAD CONNECTIONS
1. | C o r r e s p o n d i n g Te m p e r a t u r e | Service Required |
| Sensor Probe wire(s) broken or |
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| disconnected. |
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2. | Product cabinet temperature too low. | Service Required |
COOL TEMP SENSOR | 1. | Corresponding Temperature Sensor | Service Required | ||
OUT OF RANGE |
| Probe wire(s) shorted to housing, or |
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| to each other. |
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CHECK WIRE FOR | 2. | Product cabinet temperature too | Service Required | ||
SHORTS |
| high. |
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EVAP TEMP SENSOR | 1. | Corresponding Temperature Sensor | Service Required | ||
OUT OF RANGE |
| Probe wire(s) broken or disconnected. |
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| 2. | Evaporator temperature too low. | Service Required |
CHECK FOR BAD | |||||
CONNECTIONS |
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EVAP TEMP SENSOR | 1. | Corresponding Temperature Sensor | Service Required | ||
OUT OF RANGE |
| Probe wire(s) shorted to housing, or |
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| to each other. |
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CHECK WIRE FOR |
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SHORTS | 2. | Evaporator temperature too high. | Service Required | ||
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COOLER FAULT! | 1. | Cabinet circulating fan failure | Service Required | ||
EVAP TEMP TOO HI | 2. | Ice build up on evaporator coils | Service Required | ||
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CHECK EVAP FAN |
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CHK EVAP SENSOR | 3. | Evaporator sensor failure | Service Required | ||
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COOLING TIME | 1. | Air intake filter clogged | Clean Air Filter | ||
TOO LONG | 2. | Wiring failure | Check wiring harness for breaks, | ||
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CHECK | AIR FILTER |
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| shorts, open connectors | |
CHECK COOLING UNIT | 3. | Compressor failure | Service Required | ||
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COND PROBE FAULT | 1. | Tube leaking | Check pump & tubing for | ||
CHECK COND PROBES |
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| proper installation | ||
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| 2. | Dispense switch failure | Service Required |
CHK DISP SWITCHES | 3. | Dispense valve leaking | Service Required | ||
CHK CONNECTIONS | |||||
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JUMPER FAULT! | 1. Invalid wire harness configuation | Service Required | |||
CONFIG NOT VALID |
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CHECK
ON CONTROL BOARD
29 | 36026 121506 |
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