/03."-
01&3"5*/($0%&4
01&3"5*/($0%&4Normal operating mode. Cabinet should be holding proper product temperature.
Units is in defrost . Compressor has been shut off and evaporator fan motor is running to clear any ice that may have accumulated. This is a predetermined program function.
Units is in Standby mode. Control will cycle the unit at a warmer temperature. Lights will be off.
'"6-
5$0%&45306#-
&4)005*/(
5$0%&45306#-&4)005*/(Freeze up protection. This unit has gone down below the minimum temperature Set Point.
Refrigeration System Failure. The unit has not satisfied the set point in the amount of time allowed.
| 1PTTJCMF1SPCMFNT |
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| "DUJPOUPUBLF | |
| Compressor not shutting off |
| Check compressor. Relay at | |||
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| Faulty Probe |
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| Ohm out evaporator probe | |
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| Parameters have been |
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| Power supply voltage is low. | |
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| 1PTTJCMF1SPCMFNT | "DUJPOUPUBLF | ||||
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| Poor voltage at outlet | Verify proper voltage to cabinet | ||||
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| Faulty Transformer | Verify 120V to transformer. Check for | ||||
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| 12V on secondary. Connector 7 | |||
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| Faulty Controller | Bypass control to see if system will run | ||||
| Faulty Elstat | If 12V is present at connector 7, replace | ||||
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| Probe failure | |
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| 1PTTJCMF1SPCMFNT |
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| "DUJPOUPUBLF | ||
| Connector off at controller |
| Verify that connector 4 is in place | |||
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| Probe is open |
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| Ohm out probe | ||
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| Probe is shorted |
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| Ohm out probe | ||
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| Probe wire is open |
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| Ohm out probe wire | ||
1PTTJCMF1SPCMFNT | "DUJPOUPUBLF |
Unit is not cooling | Check the Refrigeration System |
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Faulty Probe | Ohm out evaporator probe |
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Faulty Controller | Bypass control to see if system will |
| run |
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Parameters have been | Check the parameter list |
changed |
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Power supply voltage is too high.
1PTTJCMF1SPCMFNT | "DUJPOUPUBLF |
High voltage at outlet | Verify proper voltage to cabinet |
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Faulty Transformer | Verify 120V to transformer. Check for |
| 12V on secondary. Connector 7 |
| (see page 2) |
Faulty Elstat | If 12V is present at connector 7, replace |
| Elstat. |
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Elstat Probes by the evaporator motor
7BMVF | 0INT |
¡ | 32,000 Ohms |
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¡ | 12,000 Ohms |
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¡ | 9,300 Ohms |
¡ | 8,500 Ohms |
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¡ | 7,000 Ohms |
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8
