Self-Diagnosis Function - Airwell AW-FWDB018-N91 Manuel D'installation

5. 7 Self diagnosis function
Our company provides considerate service for the customer and install various judgment systems ta
indicate following abnormalities.
Table 1 : lndoor 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 ON, 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.
LED Display
Time light flash
Defrost,run, protection light flash
Deforst light flash
Protection light flash
Run, defrost light flash
Run, time light flash
Defrost, time light flash
Defrost warning lights flash
Timing warning lights flash
Running defrost timing lights flash
Defrost timing warning lights flash
Running timing warning lights flash
Running defrost timing
5.Electrical Installation
Display
E2
E3
E4
EE
E9
E7
E8
F4
FS
pg
ES
FE
F6
PS
PA
L1
PE
EF
P6
H6
HS
E1
P1
P2
P4
E0
22
Error Description
Room temperature T1 sensor error
Evaporator tempe rature T2 sensor error
Evaporator outlet temperature T2B sensor error
Water full filled error
lndoor unit and wired controller communication error
lndoor EEPROM error
lndoor fan motor speed lose protection
Outside ambient temperature T 4 sensor error
Discharge temperature TS sensor error
Outdoor fan motor protection
Outdoor unit error
Outdoor EEPROM error
Condenser temperature T3 sensor error
Condenser temperature T3 too high protection
Anti-typhoon protection
DC side over-voltage
DC side over-current
Mode conflict
lnverter 1PM protection
3 limes P4 protection (Reserved)
3 limes P2 protection (Reserved)
Communication error between indoor and
outdoor unit
High pressure protection
Low pressure protection
Outdoor discharge temperature too high protection
Three phase sequence error