dirna Bergstrom bycool green line COMPACT 1.4 Diagnose Bei Ausfällen Seite 18

COMPACT 1.4
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
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 turning on device or during
operation, it beeps intermittently, and
when it stops beeping the display shows
Lb (low battery). The device stops
automatically.
display shows
• Fuse blown or unplugged (in 25A battery
cable).
• Electronic control faulty.
• Power cable not connected, with faulty contact
or cut.
• Electronic
disconnected or blown.
• Power cable polarity inverted.
• Bad connection on terminals or cables of the
return air probe.
E0
• Return air probe disconnected or faulty.
• Bad contact in connections or power
terminals.
• Battery empty or faulty.
18
Cause
control power
®
fuse (10A)