Quick MILL LUCCA M58 Owner's Manual page 21

Troubleshooting – Continued
Not Heating
Verify the machine is plugged into the outlet and the outlet has power.
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Make sure the coffee and steam boiler power switches are both turned on.
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Make sure the water reservoir is filled with water and the silicone hoses are not
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pushing the float down in the reservoir.
Check the resettable hi-limit switch on each boiler. To do so unplug the machine and
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then remove the outer shell. Using the pictures below as reference try firmly pressing
the reset button on each boiler.
PID and Heating Lights Are Not Working
• Verify the machine is plugged into the outlet and the outlet has power.
• Make sure the coffee and steam boiler power switches are turned on.
• Make sure the water reservoir is filled with water and is fully seated as far down into
the machine as it can go.
• Make sure the white float in the reservoir is on the left side of the machine and the
silicone hoses are not pushing the float down.
PID Buttons Not Working
If the PID buttons are not used too often then the contacts can become oxidized. To
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resolve this issue with the machine turned off, rapidly and repeatedly press the up and
down arrows over and over again. Do this for up to a minute and it should help clean
off the contacts and the buttons should start working again.
Owner's Manual
LUCCA M58
Page 20