E
rror
C
ode
D
e
f
initions
F
or
mode
l
s
with
Honeywe
ll I
ntegrated
C
ontro
l
E
RR
O
R
C
O
D
E
D
E
F
I
N
I
T
I
O
N
S
If
the
water
heater
has
an
operating
problem,
there
will
be
a
number
in
the
water
heater
display
with
“Service
Needed”
shown
below
the
error
code
number.
Note
the
error
code
and
the
definition
in
the
chart
below.
This
label
appears
on
the
control
box
under
the
water
heater
display.
The
following
sections
will
provide
instructions
for
servicing
each
error
code.
25
HONEYWELL INTERGRATED CONTROL ERROR CODES
LOW
FLAME
SENSE
CURRENT
FLAME
SENSE
D
OUT
OF
NORMAL
SE
Q
UENCE
(BEFORE
OPENING
GAS
VALVE
OR
AFTER
CLOSING
GAS
VALVE)
FLAME
D
ETECTE
D
BEFORE
IGNITION
FLAME
D
ETECTE
D
AFTER
A
HEATING
CYCLE
COMPLETES
LOWER
SENSOR
REA
D
INGS
FAULTY
FLAME
RO
D
SHORTE
D
TO
GROUN
D
AC
LINE
FRE
Q
UENCY
ERROR
- SIGNAL
TOO
NOISY
OR
FRE
Q
UENCY
INCORRECT
LINE
VOLTAGE
TOO
LOW
OR
HIGH
D
C
OUTPUT
VOLTAGE
UNSTABLE
MA
X
IMUM
NUMBER
OF
RETRIES
D
ETECTE
D
MA
X
IMUM
NUMBER
OF
IGNITION
RECYCLES
D
ETECTE
D
ELECTRONICS
FAILURE
HIGH
WATER
TEMPERATURE
(OVER
2
00°F)
4
6
2
3
2
4
3
2
5
7
5
8
5
9
61
6
2
63
64
6
5
DEFINITION
ERROR
CODE
IF
ANY
OF
THE
ABOVE
CO
D
ES
APPEAR
ON
THE
CONTROL
D
ISPLAY,
CONTACT
YOUR
PLUMBER
OR
Q
UALIFIE
D
SERVICE
AGENT
FOR
SERVICE
OF
THE
WATER
HEATER.
FLOW
SWITCH
OR
D
AMPER
FAILE
D
TO
CLOSE
OR
OPEN
2
9
BLOC
K
E
D
VENT
SWITCH
(OVER
2
40°F)
2
6
25
