REMKO VRS Series - Manual (Page 18)

18
REMKO VRS
troubleshooting
Possible causes:
■ The heaters could not cool
down because the power supply
was interrupted.
A brief interruption of the pow-
er supply can also cause the STB
to operate.
■ The temperature of the air
being blown out is too high due
to incorrectly installed chimney
ducts or adjusted grilles.
■ The fan was overloaded and the
thermal overcurrent relay of the
400V type heater or thermal
contacts in the fan motor of
the 230V type heater have
operated.
■ The V-belt for the fan drive is
loose or faulty.
■ The air inlet or outlet is not free.
■ Check the temperature control
thermostat (TR) for correct
functioning and adjustment.
■ Check the temperature monitor
(TW) for correct functioning
and adjustment.
the burner does not start
■ Check the oil filter for clogging.
Replace clogged filter(s).
■ Check that the shut-off valve
on the oil filter is open.
■ Check the fuel tank for suffi - or suffi-
cient fuel.
■ Check the fuel and filter for
paraffin separation.
Paraffin separation can occur
already below 5°C.
■ Check the oil hoses for damage
and leaks.
Air may also be sucked in!
■ Check the safety temperature
limiter (STB).
■ Check the temperature monitor
(TW).
the heater does not start
■ Check the local mains supply
connection.
■ Check the fuses in the control
box.
(Only 400V three-phase type)
■ Set the switch to the „I“ or
Heat position.
■ Check that the „Burner“ indi-
cator light on the control box
(only 400V type) is illuminated.
■ Check the thermostat connec-
tion or room thermostat cable.
■ Check the room thermostat
setting.
The temperature set must be
higher than the existing room
temperature.
■ Check whether the safety tem-
perature limiter (STB) may have
operated.
AttENtION
Prior to carrying out main-
tenance or repairs, the unit
must be disconnected from the
mains supply.
AttENtION
Prior to releasing a safety
device, the cause of operation
must be located and
eliminated.
NOtE
Safety devices must not be
overridden or blocked during
heater operation!