Fagor AD – 21 W Service Manual - page 17
DIAGNOSTICS
.
ON/OFF LED FLASHING: Errors or Faults are notified by flashes of the ON/OFF LED. The flashes stay on for
half second, followed by 2 seconds off.
On
On
Off
On On
Off
1 Flash ( OPEN DOOR): This is indicated by a one flash and a pause. This continues as long as the door is
open and the selected cycle is unfinished.
2 Flashes ( TANK FILL ERROR): This is indicated by a two flashes and a pause. This continues while the water
in the tank does not reach the correct level in the specified time.
3 Flashes ( TANK DRAINAGE ERROR): This is indicated by a three flashes and a pause. This continues while
the drainage pump does not drain the water in the tank to the correct level in the specified time.
4 Flashes ( BOILER HEATING ERROR): This is indicated by a four flashes and a pause. This continues while the
water in the boiler does not reach the correct temperature in the specified time.
5 Flashes ( TANK HEATING ERROR): This is indicated by a five flashes and a pause. This continues while the
water in the tank does not reach the correct temperature in the specified time.
TEMPERATURE PROBE ERROR: The display may show different alarms for the temperature probes. The alarm
is shown on the corresponding display ( boiler temperature display or tank temperature display).
A4 : “Temperature probe open” alarm:
A5: “Temperature probe short-circuit” alarm:
Example of a 2 flashes ERROR ( Tank Water Fill Error)