20
Malfunction
Cause
Action
The safety apparatus has stop-
ped the equipment.
The motor guard has tripped
owing to excessive resistance.
Remove the obstacle preventing mo-
vement of the auger by turning the
auger backwards and check that the
auger turns freely. Reset the alarm.
The motor guard has tripped
owing to lack of phase.
Check the power supply. Reset the
alarm.
The boiler or burner head over-
heat protection has tripped as a
result of boiler overheat.
Find out the reason for the overheat
Remove the causes of the malfunc-
tion. Reset the overheat protection.
Reset the alarm.
The flame control thermostat has
tripped because the flue gas tem-
perature has fallen below the set-
tings value.
Check fuel feed: Restart the unit. If
necessary, reduce the flame control
thermostat settings value.
The burn back thermostat has
tripped because the surface tem-
perature of the auger pipe has ri-
sen above the settings value.
Find out the causes of the burn back.
Start up the unit if it is safe to do so.
If necessary, change the adjustment
values (e.g. the temperature of the
unit may cause a false alarm).
The AVTA valve has tripped
owing to auger pipe overheat,
and has filled the intermediate
tank with water.
Drain the water out through the drain
hole in the bottom of the water tank.
Send the wet fuel through the burner
head to the ashbox. Feed dry fuel into
the burner head and start the unit.
The displacement limit has trip-
ped because the boiler or burner
auger has been displaced.
Remove excess fuel from the boiler
and burner. Check the pipe- and other
connections of the unit as well as the
operation of the flame control.
The limit switches of the hatches
have tripped because one of the
hatches was open.
Find out the reason for the tripping.
Shorten the conveyor operating time.
Check the operation of the intermedi-
ate tank photocell.
The flue gas extractor has stop-
ped.
Find out the cause of the malfunction,
in the power supply or the frequency
convertor.
Instructions when malfunctions may arise
TROUBLE-SHOOTING
Summary of Contents for Multijet 1000
Page 1: ...INSTALLATION OPERATION AND MAINTENANCE Multijet 500 1500 ...
Page 15: ...15 ...
Page 25: ...25 HYDRAULIC DIAGRAM ...
Page 38: ...38 DECLARATION OF COMFORMITY ...
Page 40: ...OY ARITERM AB PL 59 FI 43101 SAARIJÄRVI FINLAND STAMP STÄMPEL ...
Page 42: ...42 NOTES ...
Page 43: ...43 NOTES ...