User's Manual

Troubleshooting
3A2347T 39
DADX Pump Run-
away
Alarm Pump is trying to feed adhesive, no
adhesive to feed.
Storage bin out of adhesive. Refill adhesive.
Melter at incorrect temperature, to low. Check
setpoint and set to manufactures recommen-
dation.
Plugged vacuum transfer hose or funnel.
Clear plugged hose or funnel.
Worn or damaged pump seals Inspect pump seals. Repair if necessary.
DDDX Pump Diving Devia-
tion
Pump is trying to feed adhesive, no
adhesive to feed.
Storage bin out of adhesive pellets. Refill with
pellets.
Melter at incorrect temperature, too low.
Check melter temperature setting and set to
manufacturer’s recommendation.
Plugged vacuum transfer hose or funnel.
Clear plugged hose or funnel.
Feed rate for dispensing too high.
Worn or damaged pump seals Inspect pump seals. Repair if necessary.
DE0X Cycle Switch
Error
Alarm No signal from air motor sensor. Check wiring on J16 of the daughter board.
See Electrical Schematics on page 72.
Defective cycle switch. Replace.
Loose cycle switch bolt. Tighten cycle switch
bolt.
L6FX Level Sensor
Error
Alarm No signal from the level sensor. Check that sensor cable is plugged into sen-
sor.
Check connector at J14 of the daughter
board.
Verify there is nothing blocking fill (level) sen-
sor line of sight.
Defective fill (level) sensor. Replace.
No air to fill cap. Check for air coming from 5/32 in. air line.
Plugged orifice in fill cap below fill
sensor.
Remove fill cap and remove object plugging
the orifice.
L8FX Refill timeout Alarm Melter did not receive enough
adhesive pellets for flow rate.
Storage bin out of adhesive. Refill adhesive.
Plugged inlet feed hose or funnel. Clear
plugged hose or funnel.
MMUX USB Log Full Advi-
sory
USB logs full. Data loss will occur if
not downloaded.
Download USB data. See Appendix B - USB
Downloading, Uploading on page 110.
T1D0 Low Temp
Melter
Alarm Melter reached setpoint but
dropped below setpoint and can
not recover.
Check resistance of heater rods and band
heater.
T1D_ Low Temp
Hose
Alarm Hose reached setpoint but dropped
below setpoint and can not
recover.
Check resistance of heated hose. Refer to
hose manual for proper resistance range.
T1D_ Low Temp
Gun
Alarm Gun reached setpoint but dropped
below setpoint and can not
recover.
Check resistance of manifold heater rods.
Refer to gun manual for resistance value.
T4C_ High MZLP
PCB Temp
Alarm MZLP board is overheating. Ambient temperature must be under 120°F.
Defective MZLP board. Replace.
Code Description Type Cause Solution