Troubleshooting - Evaporator System (Trained Service Providers Only) - Structural Concepts GP641RRLB Installation And Operating Manual
G-series refrigerated salad/sandwich case / self-service grab-n-go at front section > refrigerated pan system at top surface (behind sneeze guard) refrigerated drawers & storage door at case rear for deli meat & cheeses > refrigerated self-service gr
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TROUBLESHOOTING - EVAPORATOR SYSTEM (TRAINED SERVICE PROVIDERS ONLY)
CONDITION
Low Suction Pressure
High Suction Pressure
Check that the Refrigerant doesn't have a low charge.
Check that Expansion Valve isn't restricted.
Check that Liquid Line or Filter isn't restricted.
Check that Evaporator Motors are working.
Check that High Superheat doesn't need adjusting.
Check that the Thermostatic Element charge isn't depleted.
Check that there is air no seepage of air around Condensing Coil.
Check that the Coil is not iced up.
Check that Refrigerant Charge isn't too high.
Check that Compressor Valves aren't bad.
Check that the Cooling Load isn't high.
Check that Superheat Adjustment isn't low.
Check TXV Bulb Installation
a. Poor thermal contact.
b. Warm location.
Check Compressor: Low capacity means it is undersized for its
application.
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TROUBLESHOOTING
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Troubleshooting
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