COMPACT N&D
EN
Symptom
• 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.
• E2 appears on the display, the
device turns off automatically and
the display shows error E2 until the
fault is repaired. To remove it from
the display, press the ON/OFF key
once on the keyboard or the remote
control.
• One or both compressors do not work.
• Bad contact in connections or power
terminals.
• Battery empty or faulty.
• Centrifugal blower or condenser
fan blocked in short circuit or
disconnected.
• 7.5A fuse in the centrifugal blower or
condenser fan blown.
• Electronic board faulty.
• Bad connection of the terminals.
• Electronic module/s on the
compressor/s faulty.
• Compressor/s faulty.
• Too much pressure in the circuit due to
excess load or very high temperature.
18
Cause