Indicator Messages - VKI Technologies CAFFÈ MIO Operation & Service Manual

I n d i c a t o r M e s s a g e s
MESSAGE
BEVERAGE BEING
PREPARED
BREWER HOME ERR
PRESS PRODUCT
CHECK WATER
TEMP. HARNESS
CLEAR COUNTERS
PRESS PRODUCT
COIN CHANGER
NOT INSTALLED
DEFECTIVE COIN
CHANGER SENSOR
EMPTY OR INSTALL
CUP TRAY
EMPTY WATER TANK
OVERFLOW CUP
CAFFÈ MIO – OPERATION AND SERVICE
POSSIBLE CAUSE
Brewing cycle is in progress.
The brewer is not in the home or
starting position.
The wiring harness is not
connected to the rear board.
The " " menu has
CLEAR COUNTERS
been accessed.
The system is set to " " mode,
COIN
but a coin changer is not installed.
A sensor in the coin changer is
defective.
The cup tray may not be installed,
or it may be full of liquid.
The water tank overflow cup may
be full of water.
S E C T I O N 4 - T R O U B L E S H O O T I N G
CORRECTIVE ACTION

The message reverts to the
standby message once the current
brew cycle is complete.

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.

Connect the wiring harness to the
corresponding connector on the
rear board.

Press " " to enter this menu
COFFEE
or press " - " to exit.
SET UP

Install a coin changer.

Switch to " " mode.
FREE

Replace the coin changer.

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 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.
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