HomEvap Direct - 7 Faults

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Section 7 – Faults
When the control in the unit detects a fault, this is displayed at the bottom of the product by the alarm symbol (bell) by
means of an LED. To reset the alarm the product must be briefly disconnected from the power supply by removing the
plug from the socket and then replacing this in the socket after 10 seconds.
The Table below shows different causes of an alarm and the repair or control action.
Alarm LED
Display Tekst
Meaning
Action
Alarm LED on
M OFF
Contact main
enable broken,
unit switches off
Restore contact main enable, see wiring diagram
Alarm LED blinks
3 times
SENSUP
Contact with
SHC80 sensor
broken
Check SHC80 wiring and if necessary repair, check that
the light on SCH80 sensor flashes regularly, if not replace
faulty sensor.
Alarm LED blinks
5 times
OUTDEF
T3 sensor
outside air faulty
Check wiring for break or wear, in case of doubt replace.
Testing can be done by keeping the sensor at 8°C or
colder in water or air; the Evap must then be activated
because the water valve opens.
Alarm LED blinks
9 times
WATER
No rise of RH in
duct
Check that the water tap is open
• If tap is open and there is a demand (outside air below
12°C) disconnect the black hose on top on the knee
joint and activate the water valve by switching the
voltage off and back on again, water should now come
out of the hose; if valve does not respond, replace
valve.
If valve is working and matrix material does not get wet
after switching, then the LegioSafe filter is blocked and
must be replaced. Order product code 351025 from your
dealer.
Alarm LED blinks
11 times
NOAIR
No airflow
Cooler
Check if HRAV is working
Alarm LED blinks
13 times
NOCOOL
No water Cooler
Check that the water tap is open.
· If the faucet is open and there is a demand (for the
combination comfort outside temperature must be below
12 ° C) disconnect the black supply hose from the knee on
the unit, and reset the unit by plugging the plug in and
plugging it in again. ; if water comes out and the water
valve does not respond, the water valve is defective,
replace the water valve.
· Does the water valve work and the matrix does not get
wet after the valve has switched, then the legionella filter
is clogged; replace the cassette.
Alarm LED blinks
15 times
HEATER
Heating faulty
Check air temperature after the humidifier, this must be
>8ºC, if not air heater is faulty. Call installer for
replacement.
Alarm LED blinks
17 times
AIRFLW
No airflow
Check if HRV is working.
Alarm LED blinks
19 times
T2Def
T2 sensor
outside air faulty
Check wiring for break or wear, in case of doubt replace.
Testing can be done by keeping the sensor at 8°C or
colder in water or air; the Evap must then be activated
because the water valve opens.
Service LED
continuously on
Service
The cassette must be replaced