Carrier KSACN1401AAA - Page 38

38 Specifications subject to change without notice. OM-KSACN1401AAA-01
Table 1 — Error Codes
Display
Malfunction and Protection
Indication
Display
Malfunction and Protection
Indication
ECC1
Other indoor unit refrigerant sensor
detects a leak
(multi-zone)
PC08 ODL Current Protection
EC07
Outdoor DC fan motor speed out of
control
PC10 ODL AC voltage too low protection
EC51 ODU EEPROM error PC11
ODL DC bus voltage too high
protection
EC52
Condenser coil temperature sensor
(T3) error
PC12
ODL DC bus voltage too low
protection
EC53 ODU temperature sensor (T4) error PC30 System pressure overload protection
EC54
ODU exhaust temperature sensor
error
PC31 System pressure too low protection
EC55
ODU IPM module temperature sensor
error
PC40
Communication failure between
outdoor main control chip and the
driver chip
EC56 ODU T2B sensor PC41
Compressor current sampling circuit
failure
EH00 IDU EEPROM error PC42 Compressor starting failure
EH0A Indoor EEPROM Parameter error PC43 Compressor lost phrase protection
EHC1 Refrigerant Sensor detects a leak PC44 Compressor zero speed protection
EHC2
Working condition of the refrigerant
sensor is out of range and a leak is
detected
PC45 Voltage drop
EHC3
Working condition of the refrigerant
sensor is out of range
PC46 Compressor speed out of control
EH02 Zero-crossing signal detection error PC49 Compressor over current error
EH03
Indoor fan motor speed is out of
control
PC0A
Condenser high temperature
protection