19
Troubleshooting
The burner does not start
■
Check the oil filter(s) for
contamination. Replace
contaminated oil filter(s)
■
Check whether the shut-off
cock on the oil filter is open
■
Check the fuel tank for
sufficient fuel level
■
Check the fuel and the filter
for paraffin precipitation.
Paraffin precipitation is
possible as soon as the
temperature drops below 5°C!
■
Check the oil hoses for damage
and leaks
Air may be sucked in!
■
Check the safety thermal cut-
out (STB)
■
Check the temperature
monitors (TW1/TW2)
■
Check the capillary tubes and
probes of the controller unit for
damage and correct positioning
of the probes
■
Check whether the fault lamp
of the automatic burner control
unit illuminates
■
If the fault lamp illuminates,
unlock the automatic burner by
pressing the fault button.
The fault lamp extinguishes
and the burner attempts to
start!
The unit does not start
■
Check the customer-provided
mains power supply
■
Check the fuses in the switching
cabinet. The phase indicator
lamp must illuminate
■
Move the "Heating" selector
switch to the "I" position
■
Check whether the "Burner"
indicator light on the control
box is illuminated
■
Check the thermostat
connection or, if necessary,
the cables of the room
thermostat
■
Check the setting of the room
thermostat.
The temperature set must be
higher than the current room
temperature
■
Check whether the safety
thermal cut-out (STB) has
tripped
CAUTION
Prior to maintenance or
repair work, the unit must be
disconnected from the mains
power supply.
CAUTION
Before resetting safety
equipment, the cause of
the trigger must be identified
and rectified.
NOTE
Safety devices may not be
bypassed or disabled during
operation of the unit!
CAUTION
If the burner should carry out
a fault shut-down once again
after the start phase, then
another reset should be carried
out after a waiting period of
5 minutes has passed.
Further reset procedures must
be prohibited as there is a
danger of deflagration.
