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dirna Bergstrom bycool green line compact 1.4 Diagnose Bei Ausfällen Seite 16

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COMPACT
EN
Symptom
• If the display does not turn on or in
operation the display and the device
turn off.
• When turning on device or during
operation the display shows E0
alternating with CA (fault in return air
probe). During this error the device
works, but does not regulate return
air probe (and the temperature
cannot be raised or lowered). To
turn off press the ON/OFF button
once on the keyboard or the control.
When the unit starts up or runs, it
gives out a beeping sound followed
by the display showing Lb (battery
running low). The unit shuts down
automatically.
• Fuse blown or unplugged (in 25A power
cable).
• Electronic control faulty.
• Power cable not connected, with faulty
contact or cut.
• Electronics power fuse (10A) disconnected
or blown.
• Power cable polarity inverted.
• Bad connection on terminals or cables of
the return air probe.
• Return air probe disconnected or faulty.
• Poor contact in power terminals or
connections.
• Battery discharged or defective.
16
Cause
®

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