Grindmaster 2450, 1750 installation manual cont’d, Troubleshooting Guide, Page

Troubleshooting Guide			(cont’d)
	Problem		Possible Cause		Solution
	Steam too watery.	•	Faulty float switch.	•	If float switch is at correct level
	(continued from previous page)				(lines are aligned on tube and
					fitting) and red light stays on
					continuously, then replace float
					switch. Note: Disconnect machine
					from power before replacing or
					adjusting.
		•	Leaking two-way inlet solenoid.	•	If red autofill light is off, check if
					two-way solenoid is leaking. Note:
					Machine must have 0 pressure
					before disconnecting the fitting
					past the two-way solenoid valve.
					If fitting is leaking water, then
					replace the two-way solenoid. It
					should normally be closed.
	No pressure on gauge.	•	No power to machine.	•	Check to make sure machine is
					turned on and plugged in.
				•	Check outlet has power with lamp
					or radio.
				•	Check main circuit breaker.
		•	Unplug machine then check for	•	Reconnect loose wires.
			loose wires on main switch,
			pressure control and heaters.
		•	If heater light is not on and there	•	Replace pressure control if faulty
			is electricity to the pressure		and check machine.
			control, control may be faulty.
		•	If heater light is on and the	•	Replace main heater if faulty and
			group heads are hot, heater may		check for cause of heater failure.
			be faulty.
		•	If heater light is not on and there	•	Replace main power switch if
			is no electricity to pressure		faulty and check machine.
			control, main power switch may
			be faulty.
	Machine will not operate.	•	No power to machine.	•	Check to make sure machine is
					turned on and plugged in.
				•	Check to verify outlet has power
					with lamp or radio.
				•	Check main circuit breaker.

If you still need help, call an authorized dealer in your area or Grindmaster Corporation’s Technical Service Department. You can reach Technical Service at (800) 695-4500 (USA & Canada only) or (502) 425-4776 Monday-Friday, 8:00 AM - 8:00 PM Eastern Standard Time. Please have the model and serial number ready so that accurate information can be given. Prior authorization must be obtained from Grindmaster Corporation’s Technical Service Department for all warranty claims.

Page 15 Espressimo 2450 & 1750 Espresso Cappuccino Machines