35
M-Series Trouble Shooting Guide
Problem Cause Solution
Burner will not ignite
Fuse burned out Check 20A fuse at sub control panel
Burner relay inoperative Check for 12VDC at relay
Primary control fuse Check control switch fuse
Thermocouple(s) inoperative Replace thermocouple(s)
Agitator will not rotate
Fuse burned out Check 10A control switch fuse
Sealant material not hot enough Allow material to heat longer
Too many biscuits added at one
time
Continue heat up and reverse agitation to
break biscuits free
Low hydraulic oil level Check hydraulic oil Level
Worn agitator motor Replace agitator Motor
Material pump will not
rotate
Fuse burned out Check 10A control switch fuse
Sealant material not hot enough Allow material to heat longer
Too much cold material left in
lines from previous use
Heat plumbing and valve
to melt material
Low hydraulic level Check hydraulic oil level
Foreign object lodged in line Locate/remove foreign object
Pump worn or damaged
Confirm pump switch on control panel is
in “SEAL” forward position
Material pump rotates but
does not pump material
Pump rotating in wrong direction Reverse pump switch
Pump inlet line plugged
Check sealant tank grid and lines for
obstruction
Too much cold material left in
lines from previous use
Heat plumbing and valve
to melt material
Pump worn or damaged Replace pump
Sealant heat up time slow
Burner orifice clogged Remove orifice and clean/replace
Heat transfer oil is worn out Check oil level. Replace if necessary
Too much old material on tank
walls
Clean material tank
Material recirculates but
will not flow through
sealing nozzles.
Sealing nozzle valve not
completely closing or worn out
Realign valve or replace
Actuator not turning valve
Realign valve or replace
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