User Manual

12
‘ERROR’ and WARNING INDICATORS
e2
Error Code Problem Cause Corrective Action
Water full Condensate tank is full Empty the water tank
Align water tank Water tank is not
positioned correctly
Place the water tank
in right position
High pressure Blocked air filter
Blocked / kinked exhaust duct
Ambient temperature is too high
Ensure exhaust duct is not
blocked / kinked
Do not use the air conditioner if
ambient temperature is higher
than 113℉
Low pressure
Anti-Freezing
alarm
Evaporator is below 25 ℉
(-4 ℃) due to being used in a
low ambient temperature area.
Do not use the unit in an ambient
temperature less than 72℉ (22℃).
Check refrigerant level.
al
Fire alarm signal Fire alarm signal is received
from Fire alarm system.
Reset unit by pushing and
holding the "OFF TIMER" button
for 5 seconds.
Verify Electrical
Refrigerant may be low
Clean Filters and Coils
Verify Power (Voltage/Amps)
Check Filters Evaporator/Condenser
Check Evaporator/Condenser Coils
Check refrigerant level and/or
refrigerant leak.
If BLDC motor is not
operated, 'E5' displayed
and the 'Error' led will be on.
Check BLDC motor
AF1 sensor
RT sensor
TH sensor
AF2 sensor
If the AF1 sensor is short
circuited or cut 'E3 & 1'
displayed and the 'Error'
LED will be on.
If the RT sensor is short
circuited or cut 'E3 & 2'
displayed and the 'Error'
LED will be on.
If the TH sensor is short
circuited or cut 'E3 & 3'
displayed and the 'Error'
LED will be on.
If the AF2 sensor is short
circuited or cut 'E3 & 4'
displayed and the 'Error'
LED will be on.
Exchange temperature sensor
Exchange temperature sensor
Exchange temperature sensor
Exchange temperature sensor
e3
e3
e3
e3
E5
BLDC Motor