Wolf FB363 Betriebsanleitung PDF herunterladen (Seite 53)

3062449_0309 53

Fault codes

When KM recognises a fault, the red LED ashes and the cascade module fault code is displayed

on the associated BM as well as on the central BM (address 0). The following KM faults are

transmitted via the BUS and are displayed.

Fault code Description Cause Remedy

FC52 Maximum

DHW cylinder

heating time

Max. cylinder heating time

exceeded

See parameter description

MI09

FC78 Header sensor faulty

(terminal SAF)

Faulty sensor or lead Check sensor and lead;

replace, if required

FC70 Mixer circuit or

return sensor faulty

(terminal VF)

Faulty sensor or lead Check sensor and lead;

replace, if required

FC71 Cylinder, buffer,

return or boiler

sensor faulty

(terminal E1)

Faulty sensor or lead Check sensor and lead;

replace, if required

FC79 Fault message input

open or return sensor

faulty (terminal E2)

Fault message input open

Faulty sensor or lead

If the fault message input

does not receive a signal,

insert the grey 2-pole plug

with jumper.

Check sensor and lead;

replace, if required

FC81 EEPROM fault Parameter value outside

valid range

Reset to standard values.

Briey interrupt the power

supply and check settings

FC91 BUS address Two or more accessory

controllers share the same

BUS address

Check address settings

--- Mixer circuit pump is

not controlled

Maximum thermostat has

responded (excessive ow

temperature) or three-

pole plug with jumper has

not been set (replaces

maximum thermostat)

Wait until the ow

temperature has cooled

down or insert three-pole

plug with jumper

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