Service manual

CAFFÈ MIO – OPERATION AND SERVICE
Caffè Mio 2001 - Operation & Service Manual April 3, 2002 Page 9 of 14
CAFFÈ MIO - INDICATOR MESSAGES (in alphabetical order)
MESSAGE POSSIBLE CAUSE CORRECTIVE ACTION
BEVERAGE BEING
PREPARED
Brewing cycle is in progress.
 The message will revert 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 may be 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 the 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.