S U B - Z E RO TROUBLESHOOTING G U I D E
TROUBLESHOOTING G U I D E
P RO B L E M | P O S S I B L E C A U S E | P O S S I B L E S O L U T I O N |
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Cabinet too warm | Unit switched off | Check temperature control |
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Cabinet temperature | Temperature control setting | Check temperature setting |
changed | changed |
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Excessive operating time | Dirty condenser | Clean condenser |
| Cabinet full of warm wine | Unit must operate for up to 24 |
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| hours to cool warm wine |
| Door gasket not sealing tightly | Check gasket fit |
| Thick frost on evaporator | Shut unit off until frost melts, |
| (see below) | (see below) |
| Unit in warm room conditions | Sunlight or high room tempera- |
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| tures will increase operating time |
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Excessive noise | Fan will make some noise | May be normal |
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Unit will not cool | Fan blade contacting fan shroud | Check for free fan blade rotation |
| Dirty condenser | Clean condenser |
| Fan motor not turning blade | Contact authorized service center |
| Low on refrigerant | Contact authorized service center |
| Compressor not operating | Contact authorized service center |
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Thick frost on evaporator | Door gasket not sealing tightly | Check gasket fit |
| Door not closing | Check door for obstructions |
| Thermostat not keeping unit off | Contact authorized service center |
| long enough |
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| Excessive operating time | Check for cause (see above) |
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Cabinet light does not | Light bulb burned out | Replace light bulb (see page 15) |
work properly |
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| Door switch does not close | Check door switch |
| Cannot switch light on with | Check rocker switch |
| door closed |
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Water running inside unit | Drain trough hose plugged | Contact authorized service center |
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Water leaking under unit | Drain hose out of position | Contact authorized service center |
| Drain pan over filling | Check door or door gasket |
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S E RV I C E
C E N T E R
Contact your
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