Carrier 40MB*F Owner's Manual page 23

Table 9-1
error OFF 1
Indoor EEPROM E0
_ Communication malfunction
between indoor and outdoor units E1 OFF 2
Indoor fan malfunction E3
speed OFF
4
Indoor room temperature sensor E4
OFF 5
open circuit or short circuit
Evaporator coil temperature
sensor open circuit or short circuit E5 OFF 6
Refrigerant leakage detection EC
OFF 7
malfunction
EE OFF 8
Water-level alarm malfunction
Communication malfunction
between two indoor units (for E8 OFF 9
twins model)
•"_ Other malfunction of twins model 10
E9 OFF
protection F0 ON
Current overload 1
Outdoor room temperature sensor
open circuit or short circuit F1 ON 2
Outdoor condenser pipe
temperature sensor error F2 ON 3
F3 ON 4
Discharging air temperature
sensor error
Outdoor EEPROM error F4 ON 5
Outdoor fan speed malfunction F5 ON
6
(Only for DC fan motor)
sensor error F6 ON
T2b 7
inverter module IPM protection P0 Flash 1
High/Low voltage protection P1 Flash 2
High temperature protection of
compressor top P2 Flash 3
Outdoor low temp. protection P3 Flash 4
Compressor drive error P4 Flash 5
Mode conflict Flash 6
P5
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