OM-KSACN0801-01 Specifications subject to change without notice. 31
WIRED CONTROLLER ERROR CODES
Table 1 — Error Codes
*Check the indoor unit’s error display and review the owner’s manual if other error codes appear.
NOTE: The error displayed on the wire controller will differ from the error displayed on the unit. If the error code appears,
check the Owner’s and Installation Manual and Service Manual for the model number of the unit or wired controller the
error is displayed on.
DISPLAY ON IDU AND
WIRED CONTROLLER
ERROR INFORMATION
EH 00/EH 0A
Indoor unit EEPROM parameter error
EL 01
Indoor/outdoor unit communication error
EH 02
Zero-crossing signal detection error
EH 03
Indoor fan operating outside of the normal range
EC 51
Outdoor unit EEPROM parameter error
EC 52
T3 is in open circuit or has short circuited
EC 53
T4 is in open circuit or has short circuited
EC 54
TP is in open circuit or has short circuited
EC 56
T2B is in open circuit or has short circuited
EH 60
T1 is in open circuit or has short circuited
EH 61
T2 is in open circuit or has short circuited
EC 07
Outdoor fan operating outside of the normal range
EH 0b
Indoor PCB/Display board communication error
EL 0C
Refrigerant leakage detection
PC 00
IPM malfunction or IGBT OSCP
PC 01
Over voltage or over low voltage protection
PC 02
Compressor or IPM high temp/pressure protection
PC 04
Inverter compressor drive error
PC 08
Current overload protection
PC 40
Comm. error between outdoor chip and compressor chip
PC 03
Low pressure protection
EH b1
Indoor board and Multi-function communication error
FH 0d
Ionizer malfunction