E7 error; ice maker may run but produce very little or no ice, often with long cycle times.

Warning: Refrigerant system repairs require EPA-certified technicians and specialized tools. Do not attempt to open the sealed system yourself.

• Basic checks: Ensure the condenser coil is clean and the condenser fan (if equipped) is running. Poor airflow can mimic low refrigerant symptoms.
• Observe frost pattern: With panels removed and the unit running, a normal evaporator should frost evenly. A partial frost pattern or only at the inlet may indicate low charge or restriction.
• Listen for compressor: Confirm the compressor runs continuously during the freeze cycle and is not short-cycling due to overheating.
• Call a professional: If E7 persists after cleaning and airflow checks, contact a qualified refrigeration technician to check system pressures, locate leaks, and recharge with the correct refrigerant specified by Westinghouse.