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Locking screen
Malfunction display
Oil sensor: The oil sensor is damaged, not connected, or the connection socket has a short
circuit. This error is indicated only, if operation with oil level display is set.
Intake sensor: The temperature sensor on the intake side is damaged.
RT sensor: The room temperature sensor is damaged, not connected, or the connection socket
has a short circuit. This error is indicated only, if automatic operation is set.
Outblow sensor: The temperature sensor on the outblow side is damaged.
Burner: The burner control unit outputted an error message. The error on the burner must be
corrected the error on the burner control unit reset.
HE-sensor The temperature sensor on the heat exchanger is damaged.
STB: The safety temperature limiter (STB) has triggered. Check, whether a power outage took
place or whether the air supply was interrupted. The safety temperature limiter (STB) must be
unlocked.
HE too hot: An overtemperature of 85 ° C was present at the heat exchanger for more than
30 seconds. Check, whether the unit can sufficiently dissipate its heat. The hot air hoses may
be incorrectly routed or bent.
Frequency converter: The frequency converter outputted an error message. After restarting
three times, the frequency converter switches off. Check, whether an undervoltage below 200 V
is present at the unit.
Fan motor: The thermal protection in the fan motor has triggered. Check, whether a power
outage took place or whether the air supply was interrupted.
If remote monitoring is used, the error messages are also sent as SMS to the specified
emergency contact number.
On actuation of key 2 in the main menu, manual or automatic
operation, a locking screen is called to prevent changes during
operation. The locking screen does not impact the current
operation.
Actuation key 2 and the OK key at the same time exists the locking
screen again.
If the Malfunction Display window is illuminated, the
errors detected by the unit are displayed.
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