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Operating Manual | Roof-mounted Cooling Unit | Multi Controller (MC) – 230 V | 086100023d 71/80
7.1.2 System messages
Signal Unit behavior System information
LED: lights Energy-saving mode active
• Execution of the energy function, is activated in
energy-saving mode.
• For details of the energy-saving mode, see section
"Energy-saving mode", Page 23.
Compressor: OFF
Evaporator fan (internal): OFF
Condenser fan (external): OFF
Heating (external): OFF
Fault signal contact:: closed
LED: lights Start-up mode
The cooling unit starts its operation
Compressor: OFF
Evaporator fan (internal): OFF
Condenser fan (external): OFF
Heating (external): OFF
Fault signal contact:: closed
LED: lights Stop mode
Unit was stopped by:
• Opening the switch cabinet door.
• The cooling unit received a stop command, e.g. via the
software application.
Compressor: OFF
Evaporator fan (internal): OFF
Condenser fan (external): OFF
Heating (external): OFF
Fault signal contact:: closed
Tab. 13: Possible system messages