Service Diagnosis, Symptom, Probable Cause

Service Diagnosis		CD300
Symptom	Probable Cause	Possible Correction
Does not dispense.	No power to dispenser.	Check for power.
	Ice chute not all the way up.	Push ice chute up.
	No ice in hopper.	Check ice machine, it may
		be off or the dispenser’s
		storage capacity may have
		been exceeded.
	Dispenser ON-Off switch is OFF.	Move switch to ON position.
	Push button switch does not work.	Check switch, replace switch
		if it will not close.
	Coin switch does not work.	Check switch, replace switch
		if it will not close.
	Card switch does not work.	Check switch, replace switch
		if it will not close.
	Transformer failed.	Check-replace if open.
	Safety switch open.	Check switch, replace switch
		if it will not close.
	Relay has failed.	Check-replace relay if coil or
		contacts are open
	Gear reducer motor is open or stuck.	Check motor, replace if open.
	Drive shaft broken.	Check drive shaft, replace if
		broken.
	Gear reducer stripped internally.	Check if motor turns but output
		shaft does not. Service or
		replace gear reducer.
Does not stop vending.	Vend or cam switch stuck.	Check cam or vend switch.
Ice chute fills by itself.	Result of ice agitation.	This is normal.
	Rotor not timed with cam switch.	Adjust cam switch.
	Vend switch stuck.	Check vend switch.

Page 11

Service Diagnosis