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ERT7+
Temperature
at
probe
(7)
above
configured
maximum
temperature
Investigate
cause
ERT7
‐
Temperature
at
probe
(7)
below
configured
minimum
temperature
Investigate
cause
ERT8OS
Optional
temperature
probe
(8)
disconnected
from
controller,
not
properly
installed
to
controller,
or
broken.
Ignore
error
if
no
probe
is
present.
Check
wired
connection
to
controller
and
confirm
proper
configuration
(see
page
28
for
wiring
diagram).
Replace
probe
if
broken
ERT8+
Temperature
at
probe
(8)
above
configured
maximum
temperature
Investigate
cause
ERT8
‐
Temperature
at
probe
(8)
below
configured
minimum
temperature
Investigate
cause
ERF1OS
Optional
flow
sensor
(1)
disconnected
from
controller,
not
properly
installed
to
controller,
or
broken.
Ignore
error
if
no
sensor
is
present.
Check
wired
connection
to
controller
and
confirm
proper
configuration
(see
page
28
for
wiring
diagram).
Replace
probe
if
broken
ERF2OS
Optional
flow
sensor
(2)
disconnected
from
controller,
not
properly
installed
to
controller,
or
broken.
Ignore
error
if
no
sensor
is
present.
Check
wired
connection
to
controller
and
confirm
proper
configuration
(see
page
28
for
wiring
diagram).
Replace
probe
if
broken
ERP3OS
Optional
pressure
sensor
(3)
disconnected
from
harness
or
controller,
not
properly
installed
to
controller,
or
broken.
Ignore
error
if
no
sensor
is
present.
Ensure
sensor
and
harness
are
properly
connected.
Check
wired
connection
to
controller
and
confirm
proper
configuration
(see
page
28
for
wiring
diagram).
Replace
probe
if
broken
ERCOMM
Communication
between
ProtoCessor
and
main
PCB
is
no
longer
active
Ensure
proper
connection
between
ProtoCessor
and
main
PCB
ERDM+
Outlet
temperature
above
configured
maximum
outlet
temperature
Investigate
Cause
ERDM
‐
Outlet
temperature
below
configured
minimum
outlet
temperature
Investigate
Cause
EREE
EEPROM
is
blank
or
corrupt
Commission
controller.
See
Commissioning
Section
of
this
manual
26