Grindmaster AM-344-04 instruction manual Brew volume too, Large or too small

Troubleshooting (cont.)

Heating Problems

Problem	Possible Causes	Service Check	Remedy
Tank does not heat	• Contactor faulty.	• Ensure that coil on	• If the contactor coil is
		contactor is energized	energized and there is an
		by ensuring that there	open circuit across any of
		is proper voltage	the contactor poles, replace
		between the brown and	contactor.
		white wires attached to
		the relay. Check each
		side of the contactor
		(Line and Load) at each
		pole for continuity.
	• Heater faulty.	• Check resistance	• If resistance is much less than
		across element(s)	8 Ohms or much more than
		with power conductors	15 Ohms, replace heater(s).
		disconnected.
	• Control board is faulty.	• Check to ensure proper	• If 5-pin connector is securely
		connection between	attached to control board
		connector 5-pin and	and all connections are
		control board. Check	secure and functioning
		for proper connections	except there is not 120 Vac
		in all heater control	across contactor coil terminals,
		circuitry. Check for	replace control board.
		proper connections
		between N terminal of
		contactor coil and
		terminal block.

Brewing Problems

Problem	Possible Causes	Service Check	Remedy
Brew volume too	• Portion selected on	• Review timer settings	• Adjust timer to desired value or
large or too small	touchpad not correct.	versus portion size.	select different portion size.
	• Timer not set properly.	• Compare timer setting	• Adjust timer to desired value.
		to either factory setting
		or initial user setting to
		determine if it has
		been changed.

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