Joannes AZ 3 N, Руководство по установке и обслуживанию

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26 FAULT FINDING
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.
PROBLEM PROBABLE CAUSE SOLUTION
Motor does not work No power supply a) check fuses
b) check thermostats
(Environment, Boiler, Safety)
Motor works but there is no
flame formation and with
blockage
a) electrodes are not discharged
b) nozzle is dented
c) fuel is not arriving
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
Burner starts and flame forms,
then blokage a) photoresistance is dirty
b) nozzle is pulverizing badly
a) clean the photoresistance
b) clean or replace the nozzle
Flame is irregular, small and
with sparks a) nozzle is pulverizing badly
b) pump pressure is too low
c) water is present in Light Oil
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.
a) nozzle is pulverizing badly
b) too little air in combustion
Flame is smokey