16 Filling the pellet storage area
52 - Limiting thermostat is open
The heating circuit limiting thermostat is open. Hea-
ting water with excessive temperature was diverted to
the heating circuit. The thermostat responds and
stops the heating circuit pump, damage to the heating
circuit is prevented.
Operating fault/defect on one of the components
►
Check that the heating circuit pump, heating cir-
cuit mixing valve and heating circuit flow sensor
are working properly.
67 - Indoor air damper does not open
This message only appears in conjunction with the
optional accessory
Indoor air module for indoor air
damper
, see also separate manual DR-0071.
The indoor air damper's slide does not open.
Consequence: The burner is no longer ready for ope-
ration.
Mechanical problem possible
►
Check for slide obstructions (e.g. snow/ice, dirt).
68 - Indoor air damper does not close
This message only appears in conjunction with the
optional accessory
Indoor air module for indoor air
damper
, see also separate manual DR-0071.
The indoor air damper's slide does not close. The bur-
ner remains ready for operation.
Error in the cabling, cable break
►
Check cable connection
69 - Error communicating with the indoor air
module
This message only appears in conjunction with the
optional accessory
Indoor air module for indoor air
damper
, see also separate manual DR-0071.
Communication error with the electronic module
(which controls the indoor air damper).
The burner is no longer ready for operation.
A fuse in the electronic module is defective
►
Check fuse, replace if necessary
Error in the electronic module’s power supply
►
Check
Faulty bus cabling
►
Check cable connection
Incorrect device address set for the electronic
module
►
Check
71 - No current flow heat exchanger
72 - Note: No current flow heat exchanger
73 - Fault in reference switch, diverter
This message only appears in conjunction with the
optional accessory
Automatic diverter for suction
heads
, see also separate manual DR-0004.
During the zero point search of the diverter for suction
heads, the reference switch was not actuated.
The reference switch in the DFSH is defective, or
there is a disruption, short-circuit
►
Check switch
Cabling fault between DFSH (reference switch)
and electronic module
►
Check cabling
Inaccurate position of the reference switch
►
Check switch, for secure seating, mechanical
fault, etc.
Problem with position pin, possible mechanical
fault
►
Check position pin (longer clamping pin)
44
Operation manual
pelletelegance
