Troubleshooting
Guide
19|
Page
5.4
TROUBLESHOOTING
‐
PROCEDURES
Verifying
proper
Dipswitch
settings…
p.19
Draining
the
unit………………………………p.21
Cleaning
the
filter…………………………….p.21
Checking
for
a
Cross
Connection………p.21
Check
for
Reverse
Connection………….p.21
Check
gas
supply
pressure……………….
p.21
Purge
the
gas
line
of
air…………………..
p.22
Adjusting
manifold
pressure…………….p.22
Resetting
the
computer
board…………
p.23
Checking
the
OHCF………………………….
p.24
VERIFYING
PROPER
DIPSWITCH
SETTINGS:
•
Incorrect
Dipswitch
settings
can
cause
a
031
error
code,
or
a
number
of
operational
problems.
Table
3
–
310
(T
‐
K4),
110
(T
‐
KJr2)
Dipswitch
Settings
No.
Function
ON
position
OFF
position
1
Gas
type
Propane
Disable
2
Natural
Gas
Disable
3
FM+,
FM++,
FM+++
110
Indoor
(T
‐
KJr2
‐
IN),
310
Indoor
(T
‐
K4
‐
IN)
No.3
OF
position
N
position
No.4
OFF
position
0%
+6%
ON
position
+12%
+18%
110
Outdoor
(T
‐
KJr2
‐
OS),
310
Outdoor
(T
‐
K4
‐
OS)
No.3
OFF
position
ON
position
No.4
OFF
position
0%
+4%
ON
position
+8%
+12%
4
5
N/A
N/A
N/A
(Default)
6
Model
type
Outdoor
110
(T
‐
KJr2
‐
OS),
Outdoor
310
(T
‐
K4
‐
OS)
Indoor
110
(T
‐
KJr2
‐
IN),
Indoor
310
(T
‐
K4
‐
IN)
7
Output
temperature
settings
(Default
122F)
8
Dipswitch
Bank
Figure
15
