Starting up
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− A double signal tone sounds.
− The display for low-level (LEVEL) appears.
− The fault triangle is flashing
− Press the key. If necessary repeat several times.
− Also press the key if the unit had switched off under a fault
condition.
6.3 Setpoint selection (level 0)
or
− Input the setpoint with one of the keys.
− Speeding the setting process by:
a) continuous pressing the keys or
b) pressing one key (holding it down) and shortly pressing
the other key.
− Briefly releasing (1 s) the key (s) and again pressing one of
the keys moves the cursor one place to the right.
− Display flashes 4 s
!
the new value is accepted
automatically, or
− Value is entered immediately with this key.
☞
− For safety reasons the setpoint can only be adjusted up to 2 °C above the upper limit of
the operating temperature range of the particular unit type