DeDietrich G25 Wartungshandbuch PDF herunterladen (Seite 44)

DTG(E)130 - 35/45/65/90/115 Eco.NOxPlus 15/02/2011 - 300014279-001-J

10. Messages - Alarms

10 Messages - Alarms

10.1 Faults

In the event of a fault, the display may show the following messages. Contact your fitter.

Message Probable causes Action

SHOW REM. CTRL

The message SHOW REM.CTRL

indicates the presence of an override on

a remote control

To cancel the overrides on all remote controls, press the AUTO key for 5 seconds.

REVISION Boiler service required

Contact the professional responsible for maintenance of the boiler.

24V SHORT-CIRC. Short circuit 24 V Check the wiring.

Faults Probable causes Action

BURNER FAILURE Igniter fault Check the ignition electrode (spacing of the electrodes), its connector and its connection

cable

. Replace if necessary.

Ionization fault

Check the earth

. Check the ionization current. If necessary rectify the level of CO

Gas valve defective

Replace the gas valve

No gas or presence of air in the pipe

Measure the gas supply pressure

. Bleed the gas circuit.

I-CURRENT FAIL Ionization fault during operation

Check the earth

. Check the ionization current. If necessary rectify the level of CO

MCBA FAILURE XX Internal safety control box fault

Reset the boiler

. Briefly cut the electrical power supply to the boiler using the On/Off

switch

. Replace the command and safety box.

MCBA FAILURE 5 External influences

Check the wiring

MCBA FAILURE 11 Internal fault

Check that multi-wire connections are undamaged

. Presence of humidity in the control

panel

. Eliminate electro-magnetic influences.

DEF.MCBA 24 Boiler reversal sensor and return sensor

Reverse the sensors

. Pump incorrectly fitted.

VALVE FAIL Combined gas valve unit defective

The safety control box does not signal a gas valve

. Check:

- The wiring of the gas valve;

- The gas valve could be defective (coil defective).

REARM CVI Control error

Reset the boiler

MCBA.COM.FAULT Communication error between

DIEMATIC and safety control box

Check the link and the connections between DIEMATIC and safety control box

. Reset

the boiler

. Briefly cut the electrical power supply to the boiler using the On/Off switch.

BOILER S.FAIL.

BACK S.FAILURE

OUTSI. S.FAIL.

DHW S. FAILURE

OUTL S.B FAIL.

OUTL S.C FAIL.

ROOM S.A FAIL.

ROOM S.B FAIL.

ROOM S.C FAIL.

SMOKE S. FAIL.

SWIM.P. S.FAIL

ST.TANK S.FAIL

The corresponding sensor is off or

short-circuited

Check the link and the connectors

. Replace the sensor if necessary.

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