1
4
T
ro
u
b
l
e
s
h
oo
t
i
ng
S
tep
4:
P
ress
l
ower
right
“
N
ext
”
b
utton
and
the
disp
l
ay
wi
ll
f
l
ash
and
show
the
num
b
er
o
f
any
Lockout
codes
.
S
tep
5
:
P
ress
l
ower
right
“
N
ext
”
b
utton
and
the
disp
l
ay
wi
ll
show
the
temperature
sensor
reading
.
S
tep
6
:
End
o
f
screens
in
D
iagnostic
M
ode
.
P
ress
“
D
one
”
b
utton
on
l
ower
l
e
f
t
to
exit
D
iagnostic
M
ode
b
ack
to
D
HW
setpoint
in
the
User
M
ode
.
N
O
T
I
C
E
T
he
screens
wi
ll
stay
in
the
D
iagnostic
M
ode
f
or
1
2.
5
minutes
a
f
ter
the
l
ast
b
utton
press
f
or
viewing
un
l
ess
“
D
one
”
b
utton
is
pressed
to
exit
D
iagnostic
M
ode
.
14