dirna Bergstrom bycool green line COMPACT 3.0 Diagnose Bei Ausfällen Seite 18

COMPACT 3.0
EN
Symptom
• If the unit does not come on or the
display and the unit go off during
operation.
• When the unit starts up or runs,
the display switches E0 and CA
(return air sensor failure). The unit
works during this error, but without
return air sensor regulation (and the
temperature cannot be changed).
Press the ON/OFF button on the
keypad or remote control once to
turn off.
• The display shows E6 flashing.
All manuals and user guides at all-guides.com
• Power fuse blown or disconnected (in 50A
power supply cable).
• Electronic control defective.
• Power cable disconnected, with poor
contact or cut.
• Electronic control power fuse (15A)
disconnected or blown.
• Power cable polarity inverted.
• Poor connection in return air sensor
cables or terminals.
• Return air sensor disconnected or faulty.
• Poor connection in anti-freeze sensor
cables or terminals.
• Anti-freeze sensor disconnected or faulty.
18
Cause
®