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Troubleshooting
Initial Check-up
1) Check the connection status between Indoor unit and the AHU-KIT.
• Make sure you have followed instructions and wiring diagram shown in the installation manual.
• Make sure AHU-KIT PBA is installed in a place where there are no influence from outdoor humidity, dust and
temperature.
2) Ensure that power voltage is AC 187V~AC 253V.
3) Check each of the accessories and make sure they are in good condition.
• CN32 : DC 11~13V (both ends)
• IC02 G/O : DC 4.5~5.5V (both ends)
• TRANS Output : AC 16~18V
EEPROM Error
Outdoor unit display
Explanation
Reason
NOTE
• Wired remote controller will show the same error shown in the outdoor unit.
Internal communication error between EEPROM and MICOM
Require to change PBA due to Bad EEPROM
English
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