S E C T I O N 4 - T R O U B L E S H O O T I N G
CAFFÈ MIO – OPERATION AND SERVICE
Page 32 of 110
I n d i c a t o r M e s s a g e s
MESSAGE
POSSIBLE CAUSE
CORRECTIVE ACTION
BEVERAGE BEING
PREPARED
Brewing cycle is in progress.
The message reverts to the
standby
message once the current
brew cycle is complete.
BREWER HOME ERR
PRESS PRODUCT
The brewer is not in the home or
starting position.
Press product button to cycle the
brewer.
The home switch may be defective
or needs to be re-adjusted or
cleaned.
An electrical connection to the
brewer home switch is faulty.
The brewer brake may not be working
properly. Adjust the brake or replace
the brewer motor.
CHECK WATER
TEMP. HARNESS
The wiring harness is not
connected to the rear board.
Connect the wiring harness to the
corresponding connector on the
rear board.
CLEAR COUNTERS
PRESS PRODUCT
The “
CLEAR COUNTERS
” menu has
been accessed.
Press
“
COFFEE
”
to enter this menu
or press
“
SET
-
UP
”
to exit.
COIN CHANGER
NOT INSTALLED
The system is set to "
COIN
" mode,
but a coin changer is not installed.
Install a coin changer.
Switch to "
FREE
" mode.
DEFECTIVE COIN
CHANGER SENSOR
A sensor in the coin changer is
defective.
Replace the coin changer.
EMPTY OR INSTALL
CUP TRAY
The cup tray may not be installed,
or it may be full of liquid.
Install the cup tray.
If the cup stand is full of liquid,
empty and clean it.
The hot water valve may be
leaking. Repair or replace hot water
valve.
If the message cannot be cleared,
the rear board may be wet.
Replace the board and let the wet
one dry overnight.
EMPTY WATER TANK
OVERFLOW CUP
The water tank overflow cup may
be full of water.
Empty and clean the water tank
overflow cup.
Verify the water level probe
adjustment. They may be
positioned too high allowing too
much water into the tank.
Water level probes may need to be
cleaned.
Inlet valve may be leaking,
constantly allowing water to enter
the tank. Replace the inlet valve.
Water in the tank may be boiling.
Turn temperature down to 185-
195°F.
If message cannot be cleared, rear
board may be wet. Replace the
board and let the wet one dry
overnight.