DE DIETRICH WHE 2.24, WHE 2.24 FF-3S, WHE 2.28 FF - Manual (Page 10)

10
WHE 2.24 / WHE 2.24 FF-3S / WHE 2.28 FF 22/07/2008 - 300017625-001-B
6 Troubleshooting
Before informing the fitter of a fault, make a note of the following
information:
- Type of gas used
- Boiler type
- Date of manufacture
- Year (01 = 2001, 02 = 2002, ...)
- Week
- Serial no. of the appliance
6.1 Error messages
Errors are signalled by the 4 lights on the control panel.
Light 1 Light 2
/
Light 3
/
Light 4
/
Flashing rapidly Flashing rapidly Flashing rapidly Flashing rapidly
Communication error :
Communication error
between the safety
control box and the PCB Check the cable between the safety control box and
the PCB.
Press the Reset button for 2 seconds.
If the problem persists, contact the fitter.
Off Off Off Off
The boiler does not
start up: No current
Check the electrical connections.
Off On Off Off
No flame detected
after 5 ignition
attempts
Press the Reset button for 2 seconds
If the problem persists, contact the fitter.
Flashing rapidly On Off Off
Fault temperature
sensor heating outlet:
The sensor circuit has
been broken or short
circuited
First check that the water is circulating in the boiler
(water pressure in the heating circuit, flow and return
valves open, valves and radiators open, etc.).
If the problem persists, contact the fitter.
Off On Flashing rapidly Off
Domestic hot water
outlet sensor fault: The
sensor circuit has been
broken or short circuited First check that the water is circulating in the boiler
(water pressure in the heating circuit, flow and return
valves open, valves and radiators open, etc.).
If the problem persists, contact the fitter.
Off Flashing rapidly Off Off
Thermostat activation:
Safety thermostat open
Check the fresh air inlet and flue gas discharge ducts
(or the forced flue).
Press the Reset button for 2 seconds.
If the problem persists, contact the fitter.
Off On Off Flashing rapidly
WHE 2.24
Flue gas temperature
sensor error:
- Insufficient draught
- The sensor circuit has
been broken or short
circuited
Check for adequate draw on the chimney
connection.
The boiler is in safety shutdown until the flue gas
temperature sensor is again operational. Wait 15
minutes.
If the problem persists, contact the fitter.
WHE 2.24 FF-3S
Air pressure error:
Insufficient draught
Check the fresh air inlet and flue gas discharge ducts
(or the forced flue).
Press the Reset button for 2 seconds.
If the problem persists, contact the fitter.
Off On Flashing rapidly Flashing rapidly
The water level and/or
pressure are too low
First check that the water is circulating in the boiler
(water pressure in the heating circuit, flow and return
valves open, valves and radiators open, etc.).
Top up the heating circuit with water.
Carry out a visual check for the presence of any
water leaks.