Error'and Warning Indicators 14~15 - Airrex HSC-12L User Manual

'ERROR'and WARNING INDICATORS
The machine's safety devices will automatically signal any problems via the display window on the control panel.
The information below shows how to read these signals.
※ HSC-12L
Error Code
E2
E2
E2
E2
E3
E3
E3
E3
E2
E2
E3
E3
E3
E3
E3
E3
E2
E2
E2
E2
E3
E3
E3
E3
E3
E3
E2
E2
E3
E3
E3
E3
E3
E3
af
af af
E3 af
E3
al
af
al
al
al
af
e5
al
e5
e5
al
e5
E2
e5
e5
E3
E2
14
Problem
Verify Electrical
Low pressure
Refrigerant may be low
If the AF sensor is short
circuited or cut 'E3&1'
AF sensor
displayed and the 'Error'
LED will be on.
If the RT sensor is short
circuited or cut 'E3&2'
RT sensor
displayed and the 'Error'
LED will be on.
If the OT sensor is short
circuited or cut 'E3&3'
OT sensor
displayed and the 'Error'
LED will be on.
Water tank is full
Water full
Evaporator is below 25 ℉
Anti-Freezing
(-4 ℃) due to being used in a
alarm
low ambient temperature area.
Water tank is not
Align water
positioned correctly
tank
If BLDC MOTOR is not
operated 'E5' displayed
BLDC MOTOR
and the 'Error' led will be
on.
Cause
Clean Filters and Coils
Verify Power (Voltage/Amps)
Check Filters Evaporator/Condenser
Check Evaporator/Condenser Coils
Check refrigerant level and/or
refrigerant leak.
Exchange temperature sensor
(Contact Airrex U.S.A. at 1-888-
535-8841)
Exchange temperature sensor
(Contact Airrex U.S.A. at 1-888-
535-8841)
Exchange temperature sensor
(Contact Airrex U.S.A. at 1-888-
535-8841)
Empty the water tank
Do not use the unit in an ambient
temperature less than 72℉ (22℃).
Check refrigerant level.
Place the water tank
in right position
Check BLDC MOTOR
Corrective Action
rev0