66
b2
Indoor Unit
No. Setting
Abnormality of EEPROM
b3 Incorrect Outdoor Unit Combination
Outdoor unit, indoor machine different Tier, brand exception
combination
b5
Incorrect Indoor Unit Connection No.
Setting
There are 19 or More Non-Corresponding to H-LINK II Units are
Connected to One System.
b6
Indoor Fan Controller Communication
Error
b7
Indoor 2 Fan Controller
Communication Error
bF
Abnormality of No. of Software
Control Board Connections
EE Compressor Compressor Protection Alarm
This alarm code (02, 07, 08, 39, 43, 44, 45, 47) appears when the
following alarms occurs three times within 6 hours.
A1 Outdoor Unit Abnormality of Noise Filter Board Noise Filter Board is abnormal
Notes:
1. When SEG1 displays “04.”, “06.”, or “3E.”, the malfunctions are from the fan motor inverter PCB. When SEG1 displays “04”, “06”, or
“3E”, the malfunctions are from the compressor inverter PCB (Driver Board).
2. When SEG1 displays “31”, the condition of activation:
● Incorrect Capacity Code Setting (DSW3) of Combination;
● Excessive or Insufcient Indoor Unit Total Capacity Code. (The allowable scope is 45%~150%)
3. When SEG1 displays “35”, the condition of activation:
● This alarm code is displayed in 3 to 5 minutes after powering-on outdoor unit, when the indoor unit No. set by DSW6 and
RSW1 on I.U. PCB in the same refrigerant system No. duplicates.
● When the refrigerant system No. and the address setting value are 64 or more.
4. When SEG1 displays “36”, the condition of activation:
● Outdoor unit and indoor unit are in different Tier, brand exception combination
5. When SEG1 displays “01”, “11”, “12”, “13”, “14”, “16”, “17”, “18”, “19”, “1A”, “1b”, “1C”, “1d”, “1E”, “b0”, “b1”, “b2”, “b3”, “b6”, “b7”, “bF”,
the malfunctions are from the indoor unit. When they are displayed by SEG1, the address of malfunction indoor unit and the alarm
code are displayed alternately every 0.5 sec.
6. When the RUN indicator ashes every 4 seconds, the communication failure between the indoor unit and the wired controller
(Loosening at connector, Incorrect Wiring, Disconnecting Wiring, Breaking Wire) occurs.
7. If the outdoor unit is designed for single phase, the alarm code “05” is not available. (*)
TROUBLESHOOTING
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