FULLY-AUTOMATIC ESPRESSO COFFEE MACHINE - Wega

display
piston motor gr 1 - 2
blocked
insufficient GR 1 - 2
compression
cause remedy
1. Microswitch no. 1 is either faulty
or disconnected
2. Incorrect setting of cam no. 1
3. Foreign body inside the dispensing
unit
4. Coffee residues around the piston
head
1. The motor transformer
protection fuse (24V) has
blown
2. The motor power supply (24V)
connection has been cut off
3. Transformer failure or cables
disconnected on the primary or
secondary circuits
4. The dispensing unit driver is
broken
49
english
1. Reconnect and/or
change microswitch
no.1 if necessary
Technical manual
2. Check correct setting of cam no. 1
(see Chap.11)
3. Remove the foreign body
4. Remove the coffee from around the
piston using the brushes supplied
- Press the key
- Switch the machine off and then on
1. Replace the fuse
2. - Verify the perfect fitting of the power
supply cables (Red and Black) inside the
socket and on the motor connections
- See if the brushes inside the motor are
worn
- Verify that connector P10 is connected
properly on the back of the mother board
as well as all its cables
3. Check that the green pilot light under the
boiler cover is on.
Green pilot light ON:
- transformer and connections OK
Green pilot light OFF:
- transformer broken (replace)
- connections interrupted (restore)
4. Replace the DRIVER board
TROUBLESHOOTING - chap.10