Wega Wegaconcept

35
Wegaconcept
Technical manual
ENGLISH
25.1 Display indications
INDICATION CAUSE SOLUTION
The Led of the STOP-PROG key remains
lit constantly
Delivery group o.
Modify the machine programming.
The LED of the STOP-PROG key is
ashing
One or more delivery groups are in stand-by.
t Place the group back in service by pressing the STOP/
PROG key for 3 seconds.
t Modify the machine programming.
PERFORM
GROUP WASHING
Need to clean the delivery groups.
Wash the groups as instructed in the chapter on
"Group washing"
ENERGY SAVING
+ ashing LEDs of the STOP-PROG keys
The entire machine (including the services boiler) is in
energy savings mode.
Wait for the stand-by phase to end or change the
programming of the machine.
- OFF -
The machine is o in automatic mode. Start the machine again.
25 Alarms and display indications
25.2 Alarms
ALARM CAUSE SOLUTION
HEAT SENSOR GROUP OPEN ON
GROUP #
Group temperature probe disconnected or defective.
Check for proper connection of the probe and replace it if
necessary.
CHECK HEATING CIRCUIT GROUP
ON GROUP #
t Heating circuit group on group open.
t Group heating element interrupted
t Safety thermostat open.
t Fuse F5/F6 interrupted.
t Triac defective.
Check heating circuit group : Group heating element; Safety
thermostat, related fuse and triac in the control unit; main
switch; phase connection for 380 V version.
if necessary replace the defective components;
WATER HEAT SENSOR OPEN ON
GROUP #
Group temperature probe disconnected or defective. Check the connection and replace the probe if necessary.
CHECK WATER HEAT SENSOR ON
GROUP #
t Water heating circuit group on group open.
t Group water heating element interrupted.
t Safety thermostat open.
t Fuse F2/F3 burned.
t Triac defective.
Check heating circuit group : Group heating element; Safety
thermostat, related fuse and triac in the control unit; main
switch; phase connection for 380 V version.
if necessary replace the defective components;
STEAM BOILER SENSOR OPEN
Service boiler temperature probe disconnected or
defective
Check for proper connection of the
service boiler probe and
replace it if necessary.
STEAM BOILER HEATING CIRCUIT
t Steam boiler heating circuit disconnected.
t Fuse F7 burned.
t Static relays are faulty.
t Heating element is faulty.
Check steam boiler heating circuit and replace defective com-
ponents if necessary.
CUP HEATER SENSOR
t Cup heater temperature probe disconnected.
t Temperature probe in short circuit.
t Cup heater overheating.
Check for proper connection of the cup heater probe and re-
place it if necessary.