Error
Error
Error
Location
Location
Location
Type
Type
Type
Description
Description
Description
Cause
Cause
Cause
Solution
Solution
Solution
System
pressurized
before allowing
heat to reach
setpoint
Pressure in the hose and
pumps will increase as
the system heats up.
Turn on heat and allow
all zones to reach the
temperature setpoint
before turning on the
pumps.
Bad pressure
transducer
Verify the ADM pressure
reading and the analog
gauges at the manifold.
Replace transducer if
they do not match.
P4AX
HCM
High Pressure A
H-XP2 or
H-XP3 system
configured as
H-30, H-40, or
H-50
Alarm level is lower for
H-30, H-40 and H-50
than for H-XP2 and
H-XP3.. Ensure dial on
HCM is set to position
"3" for H-XP2 or “4” for
H-XP3.
System
pressurized
before allowing
heat to reach
setpoint
Pressure in the hose and
pumps will increase as
the system heats up.
Turn on heat and allow
all zones to reach the
temperature setpoint
before turning on the
pumps.
Bad pressure
transducer
Verify the ADM pressure
reading and the analog
gauges at the manifold.
P4BX
HCM
High Pressure B
H-XP2 or
H-XP3 system
configured as
H-30, H-40, or
H-50
Alarm level is lower for
H-30, H-40 and H-50
than for H-XP2 and
H-XP3.. Ensure dial on
HCM is set to position
"3" for H-XP2 or “4” for
H-XP3.
Thermal
expansion
is occurring
between the
drum and Reactor
inlet
Condition the drum
material to the ambient
temperature of the
Reactor.
P4FA
ADM
A Pump Inlet Leak
Damaged ISO
pump inlet ball
or seat
Replace the ISO pump
inlet ball and seat.
24
334946J