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Service manual

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SECTION 4 - TROUBLESHOOTING
CAFFÈ MIO – OPERATION AND SERVICE Page 35 of 110
Troubleshooting
Coffee
Bitter / Too Strong
► Coffee setting may be too high – decrease the coffee setting.
► “
TOP PAUSE” setting may be too high – decrease the “TOP PAUSE” setting.
► Brewer may require a thorough cleaning – clean the brewer.
► Coffee may be stale or not within specifications – replace coffee.
► Coffee blend may be too strong – replace the blend.
► Water filter may need to be replaced.
► Water tank may need to be delimed.
Too Weak
► Ingredient dispenser may be empty – refill the dispenser with coffee.
► Coffee setting may be too low – increase the coffee setting.
► Water temperature setting may be too low – increase the temperature.
► Coffee may be stale or not within specifications – replace coffee.
► Coffee blend may be too mild – replace the blend.
► Increase “
TOP PAUSE” to increase the strength of the coffee.
► Ingredient dispenser may not be coupled properly with the motor – remove
dispenser and re-install it, making certain it is coupled with the motor.
Short Cup Dispensed
► Water setting may be too low – increase the water setting.
► Water tank may not be filling quickly enough – verify main water pressure, hoses
and inlet valve.
► Water filter may be clogged – replace water filter.
► If a self-piercing saddle valve was used to tap into the water supply, the valve may
have an obstruction – close and open the valve.
► Brewer may be leaking or flooding – verify the brewer operation and repair, if
necessary.
► Outlet valve may be defective – repair or replace outlet valve
(P/N - M029082).
No Product Dispensed
► Ingredient dispenser may be empty – refill the dispenser with coffee.
► Coffee setting may be set too low – increase the coffee setting.
► Wiring may not be connected to the dispenser motor – verify the wiring.
► Dispenser motor may be defective – replace dispenser motor
(P/N - C110043).
► Ingredient dispenser may no be coupled properly with the motor – remove
dispenser and re-install it, making certain it is coupled with the motor.
► Rear board may be defective – replace the rear board
(P/N - G410232MIO).