SCCG30 & SCCP30
Service Manual
Service Diagnosis
No Ice
Problem | Likely Cause | Probable Solution | ||
No power to unit | Power disconnected | Check breaker or fuse. Reset or | ||
replace, restart and check | ||||
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| Dirty condenser | Clean condenser | ||
| Restricted location, intake air too | Eliminate restriction, have machine | ||
| hot or blocked | moved | ||
| Evaporator thermostat not sensing | Check thermostat | ||
| properly | |||
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Very long freeze cycle | Spray jets dirty | Remove spray platform and clean | ||
spray jets | ||||
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| Inlet water valve leaks through | Check inlet water valve | ||
| during freeze | |||
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| Low on refrigerant | Check cube formation, | ||
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| Check for bleed thru from / missing | ||
| Connected to hot water | check valve in building water | ||
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| supply | ||
| Spray pump not pumping | Check pump motor | ||
| Fan motor not turning | Check fan motor, check fan blade |
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| Pump hose disconnected | Check hose |
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| Water leak | Check curtain, sump drain cap | ||
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| Add access valve, add refrigerant | ||
| Very low on refrigerant | as a test. If unit makes ice, find and | ||
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| correct leak. | ||
Cannot make ice
| Check compressor start |
| components |
Compressor not operating | Check compressor voltage |
| |
| Check compressor windings |
Hot gas valve leaks through during | Check hot gas valve for hot outlet |
freeze | during freeze |
| Check compressor amp draw, if |
Compressor inefficient | low and all else is correct, change |
| compressor |
September 2009
Page 23
