Alarms
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17.9.42 Additional heat is now working at its highest
temperature
Function: The additional heat begins to be stepped
down. The warning is activated in additional heat mode
if the outgoing temperature (T1 or T8) approaches the
installed maximum value.
Reset condition: The warning is deactivated when the
sensor temperature falls sufficiently.
Category: K.
Alarm lamp/buzzer: No.
Restart: Automatic once the alarm cause has
disappeared.
17.9.43 High temperature difference heat transfer
fluid E2x
Function: The warning is activated when the difference
between sensor E2x.T8 and E2x.T9 exceeds 13K. 10 min
after compressor start and change of production mode,
the temperature difference is measured and if it is too
big, the warning is given after a delay of 3 min. The
warning is not given when the compressor is inactive or
when additional heat is allowed.
Reset condition: The warning does not shut down any
function but is registered in the alarm log.
Category: L.
Alarm lamp/buzzer: No.
Restart: Deactivated on acknowledgement of the
warning display.
17.9.44 High temperature difference collector circuit
E2x
Function: The warning is activated when the difference
between sensor E2x.T10 and E2x.T11 exceeds 6K. 30
min after compressor start and change of production
mode, the temperature difference is measured and if it
is too big, the warning is given after a delay of 15 min.
The warning is not given when the compressor is
inactive.
Reset condition: The warning does not shut down any
function but is registered in the alarm log.
Category: L.
Alarm lamp/buzzer: No.
Restart: Deactivated on acknowledgement of the
warning display.
17.9.45 Screed drying set point value for heating not
reached
Function: Activated when the set point value for a drying
step has not been reached.
Reset condition: The warning is deactivated on
acknowledgement of the warning display.
Category: L.
Alarm lamp/buzzer: No.
Restart: The warning does not shut down anything, the
drying program continues with the following step.
17.9.46 The heat pump is now working in anti-freeze
mode
Function: Activated when the flow temperature of a
circuit falls below 8 °C and the 10-min timer has counted
down.
Reset condition: The circuit's flow temperature exceeds
25 °C.
Category: L.
Alarm lamp/buzzer: No.
Restart: Automatic once the alarm cause has
disappeared.
17.9.47 Check CANbus cable connection
Function: Communication with the controller has been
interrupted. The controller executes a new start if the
alarm is still active after two hours. If more than three
new starts have been carried out within one hour, the
alarm Too high boot count I/O board BAS x (category
A), Chapter 17.9.8.
Reset condition: The CANbus communication with the
controller has been restored.
Category: M.
Alarm lamp/buzzer: No.
Restart: Acknowledgement is required.
17.9.48 Check connection to I/O board x
Function: Depends on the board.
Reset condition: Communication with the board is re-
established.
Category: M.
Alarm lamp/buzzer: No.
Restart: Acknowledgement is required.
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