Trouble Shooting; Initial Check-Up; Error On Eeprom; Error On The Option Of A Remote Controller - Samsung MCM-D201N Installation Manual

Trouble shooting

Initial check-up

1. Check the connection status between an outdoor unit and the AHU-KIT.
Check that you have followed wiring method according to the circuit diagram or installation manual.
Check that AHU-KIT PBA is installed in a place where there is no influence from outdoor humidity, dust and temperature.
2. Check the power voltage is AC198 V~AC264 V.
3. Check the voltage of each part has a problem.
5 V-GND both terminals: DC 4.5~5.5 V
12 V-GND both terminals: DC 11~13 V

Error on EEPROM

Outdoor unit display
Description
Reason
• Wired remote controller will display the same error shown in the outdoor unit.
NOTE

Error on the option of a remote controller

Outdoor unit display
Description
Reason
Communication problem between EEPROM of AHU KIT and micom.
- EEPROM PBA OF AHU KIT ERROR(Physical problem of parts/circuit)
- Replace EEPROM PBA
The remote controller option of AHU KIT is not the same.
Enter the remote controller option again.
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