A
E
R
A
A
I
R
I
N
N
O
V
A
T
I
O
N
47
FAULT
SYMPTOM
POSSIBLE CAUSE
SOLUTION
Electric heater -
No heating
There is no
power in the
controller.
No electricity
Locate and repair the error.
Contactor is faulty
Contact the AERA Technical Team.
The safety thermostat shut
down the system.
Check the safety thermostat, make
sure there is airflow. Reset the
thermostat.
There is power
in the controller.
The resistor is faulty
Contact the AERA Technical Team.
Heater disconnected/wiring
incorrect/low voltage
Check connections, correct if
necessary.
Temperature set point too low
Adjust the temperature set.
Electric heater -
under / over Heating
Heating Element
is defective
There is a leak in the element, it
is grounding.
Contact the AERA Technical Team.
Air flow high /
low
See section high / low airflow
See section high / low airflow
Set value too
low
Temperature set point too low
Adjust the temperature set.
Steam humidifier -
no humidification
There is no
energy.
Fuse capacity low/defective
Check the fuse, remove, or replace
if necessary.
Supply connections wrong /
missing
Fix the connections.
Heater is faulty
Electrodes are defective.
Contact the AERA Technical Team.
There is no water in the boiler.
The solenoid valve is faulty.
The humidity
sensor is faulty.
Humidity sensor oxidized /
damaged / cable broken /
disconnected
Check the cables, replace them if
necessary.
There is no
water in the
cylinder.
Humidifier solenoid valve
defective.
Contact the AERA Technical Team.
Strainers full / valve closed
Check valve and strainers, replace
if necessary.
