Wolf BML Operating Instructions Manual page 42

No. Faults
15 Outside temp
sensor
(value is no longer
shown on display)
111 E112 EEPROM-Sys
112
Syspar - Chksum
(Fault message on
starting)
200 Fire alarm
204 Ice sensor
205 Condensate
207 Motor protection
209 Supply air sensor
210 Room sensor
(extract air
sensor)
42
Fault messages
Effect
Control functions depending on
outdoor sensor are no longer
supported (night ventilation,
natural cooling, etc.).
System fails to start
Depending on parameter
settings, the system stops or
only a fault message is issued.
Once the fault is remedied
and the fault message is
acknowledged, the system
starts again.
HR shuts down
and/or is no longer controlled.
Analogue output Y3 is set to
"0". Temperature control via
the heating valve continues as
normal.
The affected fan stops. All
outputs are set to "0". Function
only available in active cooling
mode.
Once the fault is remedied
and the fault message is
acknowledged, the system starts
again.
The affected fan stops. All
outputs are set to "0".
Once the fault is remedied
and the fault message is
acknowledged on the BML, the
system starts again.
The ventilation unit for the
affected zone stops. All outputs
are set to "0".
The ventilation unit for the
affected zone stops. All outputs
are set to "0".
Cause / Remedy
Sensor or lead faulty.
Carry out sensor detection.
Initialisation failed
Press key 3 x
Fire alarm, fire damper has
responded.
Faulty sensor or sensor lead,
or temperature fallen below the
sensor's limit temperature
Condensate hoses contaminated
or kinked.
The condensate is no longer
being pumped away.
Temperature in the fan motor
has exceeded the permissible
range.
With EC fans, the motor must be
switched off for about 1 min. in
order to reset the fault.
Sensor or lead faulty.
Sensor or lead faulty.
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