Troubleshooting guide – Grindmaster Espressimo 2450 User Manual
Page 15
Espressimo 2450 & 1750 Espresso Cappuccino Machines
Page 14
Troubleshooting Guide
Inspection, testing and repair of this espresso machine, including the following procedures should only be performed
by a qualified service technician.
Warning:
• Use extreme caution when working around hot surfaces when servicing electrical equipment.
• Disconnect espresso machine from power outlet when servicing, except when specified.
• Replace all protective panels, covers and warning labels.
Problem
Possible Cause
Solution
No steam from steam wand.
Machine is not reaching full
pressure and yellow heater light
is continuously on.
Machine is not reaching full
pressure and yellow heater light
is not on.
Too much pressure (Pressure
control is set for 17 to 20 PSI).
Steam is too watery.
• No power to machine.
• Steam wand clogged.
• No pressure on gauge.
• Check for steam leaks.
• Check for water leaking from
group heads or exhaust pipe in
drain basin.
• Check for accuracy of gauge.
• Pressure control needs
adjustment.
• Faulty pressure control.
• Float switch operating at
improper level.
• Check to make sure machine is
turned on and plugged in.
• Check outlet has power with
lamp or radio.
• Check main circuit breaker.
• Remove tip of steam wand and
clean thoroughly.
• See section on no pressure.
• Repair leaks.
• Refer to section on leaking
group heads.
• Replace gauge if faulty.
• Adjust pressure control or
replace if faulty.
• Check for dry steam. If steam is
dry, then replace pressure
control.
• Check steam - if watery, refer to
"steam too watery".
• Adjust level of float switch,
aligning the lines on the tube and
fitting. Tighten fitting. Reduce
water level by releasing steam
until red light comes on. Note:
disconnect machine from power
before replacing or adjusting.