dirna Bergstrom SLIM COOL EURO 5 Serie Diagnosis De Averías página 18

SLIM COOL
EN
Symptom
• If the display does not come on or
the display and the unit go off during
operation.
• When the unit starts up or runs, the
display switches between
ca (return air sensor failure). The
unit works during this error, but does
not regulate the return air sensor (and
the temperature cannot be changed).
Press the On/Off button on the keypad
or remote control once to turn off.
• 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.
• Power fuse cut-out or disconnected (in
25A battery wire).
• Electronic control defective.
• Power cable disconnected, cut or with
poor contact.
• Electronic control power fuse (10A)
disconnected or blown.
• Power cable polarity inverted.
• Poor connection in return air sensor
E0 and
cables or terminals.
• Return air sensor disconnected or faulty.
• Poor contact in power terminals or
connections.
• Battery discharged or defective.
18
Cause
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