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Climate Controller Type 148941 / Type 148942 / Type 148943 / Type 148944
Operation manual
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6.1.2 A12 Motor protection
The message "A12" appears in the display if a motor fault occurs.
Cause:
A digital input has been assigned the function ‘Motor fault’ and has
triggered
Effect of this alarm:
The fan is switched off and the cooling valve is closed.
6.1.3 A13 Room frost protection
The room temperature is monitored in each state to the configured value
(factory setting: 8°C). If the room temperature falls below this value, then the
room frost protection function is enabled. This function is disabled as soon as
the room temperature exceeds the configured value by 0.5K.
Cause:
The Climate Controller or the external sensor measures a temperature
greater than or equal to the configured limit value.
Effect of this alarm:
The fan is switched on at stage 1 and the heating valve is opened.
The factory- set limit value of 8°C should not normally be
changed!
6.1.4 A14 Condensation alarm
The parametrised input for detecting condensation is continuously monitored
and “A14” appears in the display of the Climate Controller if a condensation
alarm occurs.
Cause:
Presence of condensation.
Effect of this alarm:
The fan is switched on at stage 1 and the cooling valve is closed.
6.1.5 A15 General alarm
The parametrised input for the general fault is continuously monitored and
“A15” appears in the display of the Climate Controller if a general alarm is
emitted.
Cause:
/
Effect of this alarm:
The fan is switched off and the heating/cooling valve is closed.
