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Quick mill QM67 Dual Boiler Manual

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QM67 Dual Boiler Espresso Machine
Owner’s Manual Page 20
Troubleshooting
No Steam From Steam Wand
• Make sure the coffee boiler and steam boiler power switches have been turned on for at
least 15 minutes.
• Check the upper gauge for steam pressure. Pressure should be around 1.2-1.7 bar. If the
gauge is at zero then refer to the “Not Heating” section of the troubleshooting manual. If
pressure is good then continue with steps below.
• Check the steam tip for a blockage. Clean steam tip holes with a paper clip.
• Check the steam wand for a blockage by unscrewing the steam tip from the wand. Check
the inside of the steam tip for dried up milk and then make sure the white teflon tube in
the steam wand is also free of dried up milk.
• Check the steam knob for proper operation.
Remove the end cap on the end of the steam
knob. Check to make sure that the c-clip that
is shown in the picture is attached.
No Water From Hot Water Wand
• Make sure the coffee boiler and steam boiler power switches have been turned on for at
least 15 minutes.
• Check the upper gauge for steam pressure. Pressure should be about 1.2-1.7 bar. If the
gauge is at zero then refer to the “Not Heating” section of the troubleshooting manual. If
pressure is good then continue with steps below.
• Check the hot water knob for proper operation. Remove the end cap on the end of the
hot water knob. Check to make sure that the c-clip shown in the picture above is
attached.
Note: If the steam gauge is showing normal pressure, but then when you open the steam or hot water
knobs the pressure immediately drops to zero then heats normally afterwards that is called a vapor
lock. This is caused by a sticking vacuum breaker valve not allowing the air pressure to escape the
boiler during heat up.
… 21 …


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