HREI
Inst Issue 1: 09.05.16
Defect
Cause
Remedy
The device does not
start
Incorrect wiring. Lack
of voltage. The ambi-
ent thermostat is not
triggered. The pilot wire
receptor is not on
automatic position.
Overheat safety
thermostat is triggered
Check the wiring. Verify
the electrical. Increase
the setting point of the
ambient thermostat.
Check the positiion
of the receptor switch
inside the heater. Reset
the thermostat.
The burner preventilates
continuously
Extractor out of service.
Air pressure switch
disconnected. Air
pressure switch out of
services.
Replace the extractor.
Reconnect the pressure
air pipes. Replace the air
pressure switch
The ignition electrode
is sparking, the burner
ignites, the control box
turns on safety
position (the burner
default lights)
Gas valve defective.
Control box defective.
Ionization sensor
incorrectly adjusted
or defective. Air in the
piping. No gas
Replace it. Adjust it.
Bleed the piping. Check
the pressure.
The unit tunrs on
safety position (red LED
switched on)
Gas supply interrupted
Reset by pressing the
red button on the
control box
Cold air when starting
Incorrect adjustment of
internal thermostat
Check the adjustment of
the ventilation
thermostat (adjustment
35°C)
The device does not
heat sufficiently
Incorrect placing of the
thermostat. Incorrect
adjustment of the
thermostat. Insufficient
gas pressure. Injectors
are unsuitable.
Change its location.
Adjust the thermostat.
Check the gas supply
pressure. Check that the
injectors are correctly
selected and replace
them if necessary.
The device never stops
Thermostat is set too
high or is defective.
Incorrect wiring.
Lower the setting point
or replace it. Check the
wiring.