Error' And Warning Indicators - Airrex HSC-14P User Manual

'ERROR' and WARNING INDICATORS

Error Code
14
Problem
High pressure Blocked COND filter.
Blocked / kinked exhaust duct.
Ambient temperature is too high.
Low pressure Verify Electrical.
Refrigerant may be low
or empty.
AF1 sensor If the AF1 sensor is short
circuited or cut 'E3 A1'
displayed and the 'Error'
LED will be on.
RT sensor If the RT sensor is short
circuited or cut 'E3 rt'
displayed and the 'Error'
LED will be on.
OT sensor If the OT sensor is short
circuited or cut 'E3 Ot'
displayed and the 'Error'
LED will be on.
BLDC Motor If BLDC motor is not
operated, 'E5' displayed
and the 'Error' LED will be on
Water full Water tank is full.
Align water tank Water tank is not
positioned correctly.
Fire alarm signal Fire alarm signal is detected
from Fire alarm system.
Anti-Freezing Evaporator is below 25℉
alarm (-2℃) due to being used in a
low ambient temperature area.
Cause
Clean the COND filter.
Ensure exhaust duct is not blocked
/ kinked.
Do not use the air conditioner if
ambient temperature is higher
than 113℉.
Verify Power (Voltage / Amps).
Check refrigerant level and
refrigerant leakage.
Clean Filter and Coil.
Check Evaporator Filter.
Check Evaporator Coil.
Exchange AF1 sensor.
Exchange RT sensor in digital
controller.
Exchange OT sensor.
Check or change BLDC motor
Empty the water tank.
Place the water tank
in right position.
Reset unit by pushing and
holding the "OFF TIMER" button
for 5 seconds.
Do not use the unit in an ambient
temperature less than 61℉ (16℃).
Check refrigerant level.
Corrective Action