20
Malfunction
Cause
Action
The safety apparatus has
stopped 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 due
to lack of phase.
Check the power supply. Reset the
alarm.
The boiler or burner head
overheat protection has tripped
as a result of boiler overheat.
Find out the reason for the
overheat Remove the causes of the
malfunction. Reset the overheat
protection. Reset the alarm.
The flame control thermostat
has tripped because the flue gas
temperature has fallen below the
settings 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
temperature of the auger pipe
has risen 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 due
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
tripped 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 discharger operating
time. Check the operation of the
intermediate tank photocell.
The flue gas extractor has
stopped.
Find out the cause of the malfunction,
in the power supply or the frequency
converter.
Instructions when malfunctions may arise
TROUBLE-SHOOTING
Summary of Contents for Multijet 500
Page 1: ...INSTALLATION OPERATION AND MAINTENANCE Multijet 500 1500 hydraulic ...
Page 25: ...25 HYDRAULIC DIAGRAM HTR Hydraulics Oy Multijet 500 1000 kW ...
Page 26: ...26 HTR Hydraulics Oy Multijet 1500 kW HYDRAULIC DIAGRAM ...
Page 38: ...38 DECLARATION OF COMFORMITY ...
Page 40: ...NOTES 40 ...
Page 41: ...41 NOTES ...
Page 42: ...42 NOTES ...
Page 43: ...43 NOTES ...