Fault Finding - Joannes AZ 2,9/L Installations- Und Wartungsanleitung

26
PROBLEM
Motor does not work
Motor works but there is no
flame formation and with
blockage
Burner starts and flame forms,
then blokage
Flame is irregular, small and
with sparks
Flame is smokey
WARNING:
In the event of replacement or assembly/disassembly
of the fan, make sure that the latter does not touch the
motor platform as illustrated in the inclosed diagram.

FAULT FINDING

PROBABLE CAUSE
No power supply
a) electrodes are not discharged
b) nozzle is dented
c) fuel is not arriving
a) photoresistance is dirty
b) nozzle is pulverizing badly
a) nozzle is pulverizing badly
b) pump pressure is too low
c) water is present in Light Oil
a) nozzle is pulverizing badly
b) too little air in combustion
SOLUTION
a) check fuses
b) check thermostats
(Environment, Boiler, Safety)
a) check correct position of tips
and clean them
b) clean or replace nozzle
c) check Light Oil level in tank
and that there are no shutters
closed along the Light Oil line.
Check line filters and pump
are clean
a) clean the photoresistance
b) clean or replace the nozzle
a) clean or replace nozzle
b) check and increase pressure
c) extract water from tank and
clean filters
a) clean or replace nozzle
b) check atmospheric air flap
opens normally. Check that fan
is not dirty.