Troubleshooting; Routine Maintenance Instructions - DeDietrich MS 24 BIC FF Operating And Installation Instructions

Faults are shown on the display with an error code (e.g.: E 01):
Figure 3
CODE
FAULT
DISPLAYED
E01 Failed ignition shutdown
E02 Safety thermostat tripped
Flue thermostat/ flue pressure
E03
switch tripped
Shutdown after 6 consecutive
E04
flame losses
E05 Flow sensor failure
E06 DHW sensor fault
Hydraulic pressure switch
E10
block
Probable blocked pump safety
E25/E26
trip
E35 Parasite flame (flame error)
Switching off due to reductions
E96
in power supply
N.B.:
in case of a fault, the display backlighting flashes together with the error code.

11. ROUTINE MAINTENANCE INSTRUCTIONS

To keep the boiler efficient and safe, have it checked by the authorised Service Centre at the end of every operating period.
Careful servicing ensures economical operation of the system.
Do not clean the outer casing of the appliance with abrasive, aggressive and/or easily flammable cleaners (e.g.: petrol,
alcohol, and so on). Always switch off the appliance before cleaning it (see section 7 Switching off the boiler).
OPERATING INSTRUCTIONS

10. TROUBLESHOOTING

RESETTABLE
faults
CORRECTIVE ACTION
Press and hold down "R" for at least 2 seconds. If this fault persists, call the
Authorised Service Centre.
Press and hold down "R" for at least 2 seconds. If this fault persists, call the
Authorised Service Centre.
Call the Authorised Service Centre.
Press and hold down "R" for at least 2 seconds. If this fault persists, call the
Authorised Service Centre.
Call the Authorised Service Centre.
Call the Authorised Service Centre.
Check that the pressure in the system is correct; See section 6. If this fault
persists, call the Authorised Service Centre.
Call the Authorised Service Centre.
Press and hold down "R" for at least 2 seconds. If this fault persists, call the
Authorised Service Centre.
RESET is automatic. If this fault persists, call the Authorised Service Centre
To RESET the boiler, press and hold down "R" for at
least 2 seconds. If this fault persists, call the Authorised
Service Centre.
N.B.:
5 reset attempts can be performed after which
the boiler shuts down. To reset again, switch off the
boiler for a few seconds.
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71.06199.02 - EN