Wega Concept - Display indications

36
Wegaconcept
Technical manual
INDICATION CAUSE SOLUTION
MINIMUM LEAST
The water in the services boiler has dropped below •
the minimum level.
The minimum level probe is short-circuited.•
Check for correct wiring of the minimum level •
probe.
Check for correct operation of the minimum level •
probe.
WATER COFFEE PRESSION
The pressure in the heater cannot achieve the estab-
lished value.
Check the pump for correct calibration (9 bar).•
Check for opening of the heater's  lling valves.•
Check for closing of the heater's drain valve.•
Check for correct operation of fuse F3 on circuit •
board.
Check for any leakage on the group solenoid valve.•
The input hole of the volumetric dosing device is
clogged.
Check and clean the input hole of the dosing device.
The output JET of the volumetric dosing device is
clogged.
Check and replace the JET, if necessary
PROBE BOILER SERVICE
No signal from the probe. Check for proper connection of the probe.•
Defective probe: replace it.•
PROBE COFFEE WATER
No signal from the probe. Check for proper connection of the probe.•
Defective probe: replace it.•
PROBE GROUP
No signal from the probe. Check for proper connection of the probe.•
Defective probe: replace it.•
PROBE CUP HEATER
No signal from the probe. Check for proper connection of the probe.•
The temperature of the cup heater is too high: reduce •
set temperature.
Defective probe: replace it.•
PROBE AUTOSTEAMER
No signal from the probe. Check for proper connection of the probe.•
The temperature of the cup heater is too high: reduce •
set temperature.
Defective probe: replace it.•
HEATING
BOILER SERV.
Fuse F7 is faulty.•
Static relays are faulty.•
Heating element is faulty.•
Faulty remote switch.•
Safety thermostat is disabled.•
Replace fuse F7 of the circuit board.•
Replace static relays.•
Replace the heating element in the services boiler.•
Replace the remote switch.•
Reset the safety thermostat.•