Systematic Diagnostic Checklist

Work through each system to identify the problem

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Check Item	✅ Pass	❌ Fail	Solution
Power indicator light	Light is on	No lights	Check circuit breaker, outlet, power switch
Control panel display	Normal display	Error codes showing	Reference error code manual, may need reset
Ice/Off/Clean switch	Set to "Ice" position	In "Off" or "Clean" mode	Switch to "Ice" position to resume production
Bin full sensor	Bin has space	Sensor triggered (bin may not be full)	Clear ice bridge, clean sensor eye, adjust sensor

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Check Item	✅ Pass	❌ Fail	Solution
Water shut-off valve	Fully open	Closed or partially closed	Open valve completely
Water pressure	20-80 PSI	Below 20 PSI	Install booster pump or check building pressure
Water inlet screen	Clean and clear	Clogged with debris	Remove and clean screen, replace if damaged
Float valve operation	Moves freely	Stuck or not moving	Clean float valve, check for mineral buildup
Water in reservoir	Proper water level	No water or overflowing	Check inlet valve solenoid, may need replacement

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Check Item	✅ Pass	❌ Fail	Solution
Compressor operation	Running (humming sound)	Not running	Check start capacitor, overload protector, control board
Condenser coils	Clean and clear	Dirty or blocked	Clean thoroughly with coil cleaner, check fan operation
Evaporator temperature	Cold to touch	Warm or room temperature	Possible refrigerant leak, requires professional service
Condenser fan	Running when compressor runs	Not running	Check fan motor, capacitor, control board connections
Hot gas valve	Opens during harvest	Stuck closed	Test solenoid coil, may need valve replacement

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Check Item	✅ Pass	❌ Fail	Solution
Water pump operation	Pumping water over evaporator	Not pumping	Check pump motor, impeller for damage, electrical connections
Water distribution	Even water flow	Uneven or no flow	Clean distribution tube/curtain, check for clogs
Evaporator plate	Clean metal surface	Scale buildup	Descale with approved cleaner, may need professional cleaning
Ice thickness sensor	Properly adjusted	Misadjusted or dirty	Clean sensor probe, adjust per manual specifications
Harvest cycle	Ice releases properly	Ice sticks to plate	Check harvest assist, hot gas valve, plate condition

1. Clean Condenser Coils

Dirty coils cause 35% of ice production failures

2. Check Water Supply

Low water pressure stops ice production

3. Reset Machine

Clears error codes and restarts cycles

Ice Machine Not Making Ice?