Outputs - Information About The Operational Status Of The Equipment - LG multi V ARUM Series Installation Manual

5.3 OUTPUTS – INFORMATION ABOUT THE OPERATIONAL STATUS OF THE
EQUIPMENT
DEFROST
Logic output "DEFROST"(terminals 23 + 24).
The contact is closed if the equipment is in the "defrost" mode and at the same time the display module shows
an information message "d F"
During normal operation of the device, the contact is open.
ERROR
Logic output "ERROR"(terminals 25+26).
The contact is off/open if the equipment diagnostics identified a defect or the equipment is not powered - no
supply voltage.
The defect code is also shown on the module display using the variable communicated by the MODBUS.
Defects identified by the communication module:
List of error codes of the outdoor unit – see the servicing manual of the applied LG equipment.
If more than one error has occurred at the same time, only the code of the first error is shown on the display.
During regular operational status the contact is on/closed.
Notice:
To restart the device after errors occur, it is NECESSARY to perform a "RESET" of the compressor unit device,
i.e. disconnect the device from the power supply.
2020/07/23
Er .. 2 thermometer error "blue"
Er .. 6 thermometer error "red"
Er .. 99 Modbus communication error
Er .. 5 Communication error with the outdoor unit
Er .. XX outdoor unit errors
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