Troubleshootin
g
Error Location Type Description
Cause Solution
TheA-side(IS
O)
pump inlet bal
lor
seat is damage
d.
Replace the A-
side (ISO) pump inlet
ball and seat.
P4FA ADM High Inlet
Pressure
(A-side)
The A-side
(ISO) material
is expanding
between
the material
drum and the
proportioner.
To avoid thermal expansion, condition
the A-side (ISO) material drum to the
same ambient temperature as the
proportioner.
The B-side
(RES)
pump inlet
ball or
seat is dam
aged.
Replace th
e B-side (RES) pump inlet
ball and se
at.
P4FB ADM High Inlet
Pressure
(B-side)
The B-side
(RES) material
is expanding
between
the material
drum and the
proportioner.
To avoid thermal expansion, condition
the B-side (RES) material drum to
the same ambient temperature as the
proportioner.
Loose/bad
connection.
Check t
o ensure the pressure
transd
ucer is properly installed and
all wir
es are properly connected.
P6AX
MCM
Pressure
Sensor Error
A
Bad sensor.
Check if the error follows the
transducer. Disconnect transducer
cables from the MCM (connectors 6
and 7). Reverse A and B connections
and check if the errors follows. If the
error follows the transducer, replace
the pressure transducer.
Loos
e/bad
conn
ection.
Check to ensure the pressure
transducer is properly installed and
all wires are properly connected.
P6BX
MCM
Pres
sure
Sens
or Error
B
Bad sensor.
Che
ck if the error follows the
tr
ansducer. Disconnect transducer
ca
bles from the MCM (connectors 6
an
d 7). Reverse A and B connections
an
d check if the errors follows. If the
er
ror follows the transducer, replace
th
e pressure transducer.
333024N 25
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