Safety Limit #1 - Manitowoc S300 Technician's Handbook

SAFETY LIMIT #1

Water System
1. Water supply to machine is being interrupted
2. Water leaking down the drain during freeze (dump
valve or water tracking into condensate tray)
3. Water tracking into bin
4. Uneven water flow over evaporator
5. Water pump not pumping
Electrical System
1. Improper voltage (low)
2. Ice thickness probe adjustment too thick
3. Water level probe open / dirty
4. Water inlet valve failure
5. Contactor failure
6. Compressor failure / start component failure
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Refrigeration System
1. Dirty condenser
2. Low on Refrigerant
3. Starving TXV
4. Head Pressure Control Valve stuck in Bypass
5. Harvest valve leaking through or stuck open
6. Inefficient compressor
Part Number 80-1479-3 7/10 85