Sub-Zero 3 1 5 I P manual Unit operates, But no ice falling, Storage bin

S U B - Z E RO TROUBLESHOOTING G U I D E

TROUBLESHOOTING G U I D E

P RO B L E M	P O S S I B L E C A U S E	P O S S I B L E S O L U T I O N
Unit operates	Ice may be stuck in the evaporator	Check water supply – filter may
but no ice falling in	and the unit is ”frozen up”	be restricted
storage bin		Check inlet water valve – inlet screen
		may be restricted or valve does not
		operate
		Hot gas valve may not operate –
		check and repair or replace
		Harvest time set too short – timer
		needs adjustment (see page 19)
	Too much heat load	Inlet water valve leaks through,
		must be replaced
	No water spray	Water pump does not operate, must
		be replaced or check for water
		leak in reservoir
	No airflow	Fan motor does not operate or fan
		blade is broken, must be replaced
		Condenser completely blocked,
		must be cleaned (see page 17)
	Cube size control will not close	Defective control, must be replaced
		Inlet water valve leaks through,
		must be replaced or not enough
		refrigerant, call a Sub-Zero
		authorized service center
	Compressor does not operate	Start relay or capacitor must be
	properly or at all	replaced
		Call a Sub-Zero authorized service
		center
	Not enough refrigerant	Call a Sub-Zero authorized service
		center
	Restricted system	Call a Sub-Zero authorized service
		center
	Hot gas valve leaks through	Call a Sub-Zero authorized service
		center

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