Self-Diagnosis Function - Infiniton CSTT-4550 Manual De Instrucciones

Self diagnosis function
Our company provides considerate service for the customer and install various judgment systems
to indicate following abnormalities.
Table 1 : Indoor unit unit(digital display)
When unit is standby after first time power on, running light flash slowly, after operation, all the lights
off when the unit is off or standby.
When unit is running, running light flashes, digital tube shows setting temperature in cooling and heating
mode, digital tube shows indoor temperature in fan only mode; defrost light turns on when defrosting, timer
light turns on when in timer mode.
Display
E0
Communication error between outdoor unit and
E1
E2 Indoor room temperature (T1) sensor error
E3 Indoor coil middle temperature (T2) sensor error
E4 Indoor coil outlet temperature (T2B) sensor error
E5
E6
E7
E8 Indoor fan motor speed lose protection
E9 Wired controller communication error
EE
EF
Display
P0
P1
P2
P3 Primary/secondary overcurrent protection
P4 Exhaust temperature over-high protection
Outdoor unit condenser outlet (T3) temperature
P5
P6 Compressor driver error or IPM protection
P7
P8
P9 Outdoor unit DC fan motor error
7.Symptom analysis and treatment
Error description
Phase protection
indoor unit
Outdoor unit error
Zero speed protection
EERPOM error
Water level alarm error
EF(reserve)
Error description
(reserve)
(reserve)
(reserve)
over-high protection
(reserve)
(reserve)
Display
F0
F1
F2
Outdoor unit current error cannot recover
F3
Display P3 error for 3 times within 60 minutes
F4 Outdoor temperature (T4) sensor error
F5
F6 Outdoor unit condenser outlet (T3) sensor error
F7 Secondary side current protection
F8
F9
Display
Communication error between outdoor unit main board
H0
H1
H2
H3
H4 3 times of P6 error within 30 minutes
H5 3 times of P2 error within 30 minutes
H6 3 times of P4 error within 100 minutes
H7
H8
H9 2 times of P9 error within 10 minutes
24
Error description
(reserve)
(reserve)
(reserve)
(reserve)
Heat T2 temp. protection
Outdoor unit voltage error
Error descriptio n
and driver board
(reserve)
(reserve)
(reserve)
(reserve)
(reserve)