Airrex AHSC-18, User Manual

Page: 11 / 20

11
'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.
1. WATER FULL- Display shows “FU”
When the water container is full, “FU”is displayed
and the LED “Water Full”light will be on.
2. ALIGN WATER TANK
If the water tank is not positioned correctly, the LED
“Align Drain Tank”light will be on.
3. HIGH PRESSURE
‘E1’is displayed and the ‘Error’LED will be on
when the pressure of the compressor is too high and
the high pressure switch is open.
4. LOW PRESSURE
‘E2’is displayed and the ‘Error’LED will be on
when the pressure of the compressor is too low.
5. SENSOR PROBLEM
If the thermistor is short circuited or cut, ‘E3’is
displayed and the ‘Error’LED will be on.
6. ANTI FREEZING
When the temperature of the evaporator is below
25℉,
‘AF’is displayed and the ‘Error’LED will be on.
7. FIRE ALARM SIGNAL
When Fire alarm signal is received from Fire alarm system,
‘AL’ is displayed and the ‘Error’ LED will be on.