Troubleshooting
Guide
12|
Page
TM
‐
RE30
(Optional)
5.3
TROUBLESHOOTING
‐
ERROR
CODES
•
All
units
are
self
diagnostic
for
safety
and
convenience
when
trouble
shooting.
•
If
there
is
a
problem
with
the
installation
or
the
unit,
it
will
display
a
numerical
error
code
on
the
Remote
Controller
(if
installed),
on
the
7
‐
Seg
LED
on
the
computer
board
(510
(T
‐
D2)),
or
the
flashing
red
LED
(110
(T
‐
KJr2),
310
(T
‐
K4))
to
communicate
the
source
of
the
problem.
•
Consult
the
following
chart
for
the
cause
of
each
error
code
.
Table
2
–
Error
Codes
Error
Code
510
(T
‐
D2)
7
‐
Seg
LED,
remote
Error
Code
110
(T
‐
KJr2),
310
(T
‐
K4)
Remote
Error
Code
Red
LED
110
(T
‐
KJr2),
310
(T
‐
K4)
Malfunction
Description
031
03
1
Incorrect
Dipswitch
Settings
101
10
5
Warning
for
991
Error
Code
111
11
3
Ignition
Failure
121
12
3
Flame
Loss
311
31
2
Output
Thermistor
321
32
2
Inlet
Thermistor
331
N/A
N/A
Mixing
Thermistor
391
39
2
Air
‐
fuel
Ratio
Rod
Failure
441
N/A
N/A
Flow
Sensor
(Easy
‐
Link
System
only)
510
51
6
Abnormal
Gas
Valves
N/A
55
6
Abnormal
Solenoid
Gas
Valve
611
61
4
Abnormal
Fan
Motor
651
N/A
N/A
Abnormal
Flow
Adjustment
Valve
(
Easy
‐
Link
System
only)
701
70
1
Computer
Board
Fault
721
72
6
False
Flame
Detection
741
74
N/A
Remote
Controller
Communication
Failure
761
N/A
N/A
Communication
Failure
(Easy
‐
Link
System
only)
991
99
5
Abnormal
combustion
Error
code
on
the
TK
‐
RE02
Error
code
on
the
computer
board
Red
LED
Error
code
on
the
TM
‐
RE30
Error
code
on
the
computer
board
7
‐
Seg
LED
Figure
4
–
310
(T
‐
K4),
110
(T
‐
KJr2)
Error
Code
outputs
Figure
5 – 510
(T
‐
D2)
Error
Code
outputs
