Troubleshooting
Error Location Type Description
Cause Solution
Pressure
difference between
A and B material
is greater than the
defined value.
Ensure material flow is
equa lly restricted on both
material lines.
Pressure
imbalance is
defined too low.
Ens ure that the pressure
imbalance value, on the
System Se tup screen, is at
an acceptable maximum
pressure to prevent
unnecessary alarms and
abort dispenses.
Out of material. Fill tanks with material
Fluid leaking from
heater inlet rupture
disk.
Check if heater
and PRESSURE
RELIEF/SPRAY valve are
plugged. Clear. Replace
rupture disk. Do not replace
withapipeplug.
P7BX
HCM
Pressure Imbalance
BHigh
Feed system
defective.
Check feed pump and
hoses for blockage. Check
that feed pumps have
correct air pressure.
Flow is too high at
current setpoint.
Use a smaller mix chamber
that is rated for the unit
in use. If reci rculating,
decrease flow or decrease
temperature setpoint.
Bad RTD or bad
RTD placement
against heater.
Swap A and B heater output
cables and RTD cables and
see if issue follows. If so,
replace RTD.
Bad heater
element.
Confirm resistance of
heater. Heater resistance
should be 9-12 Ω for 10
kW systems and 6-8 Ω for
15 kW systems. If out of
tolerance, replace heater
element.
T2DA Heater A Low Temperature A
Loose heater
wires.
Check for loose heater
element wires.
28 334946A
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