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Trouble shooting
Initial check-up
1. Check the connection status between an outdoor unit and the Universal Comm. Kit.
Check that you have followed wiring method according to the circuit diagram or installation manual.
humidity, dust and temperature.
2. Check the power voltage is 24VAC.
3. Check the voltage of each part has a problem.
Error on EEPROM
Description
Reason
• Wired remote controller will display the same error shown in the outdoor unit.
NOTE
Error on the option of a remote controller
Description
Reason
44
Communication problem between EEPROM of Universal Comm. Kit and micom.
circuit)
The remote controller option of Universal Comm. Kit is not the same.
Enter the remote controller option again.
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