TM 9-4520-272-14&P
0008 00
Step 3. Check air sensor hose from
Step 3. Connect air sensor hose
bulkhead to main control box and
from bulkhead to main control box if
ensure that it is connected and not
disconnected. Ensure that hose is
kinked, cut, or damaged in any way.
not kinked, cut, or damaged in any
way. Flip RESET switch, attempt
restart.
Step 4. If problem has not been
corrected, notify unit maintenance.
7.
Heater starts, displays fault
Step 1. This fault code indicates that
Step 1. Fill heater with adequate fuel
code: S221 but burner fails to
burner failed to start after 3 tries. The
in the internal fuel tank or in the bulk
start
diesel engine and other systems may
fuel supply. Flip RESET switch,
operate but the burner failed to start.
attempt restart.
Turn power switch OFF. Check to
ensure that there is adequate fuel in the
fuel tank or in the bulk fuel supply.
Step 2. Open the burner access door
Step 2. Connect flame sensor wire
and ensure that the flame sensor wire
harness connector securely (see WP
harness connector is connected
securely (see WP 0053 00 for location).
switch, attempt restart.
Step 3. If problem has not been
corrected, notify unit maintenance.
8.
Heater starts, runs properly
Step 1. This fault code indicates that
Step 1. View burner through sight
but displays fault code: S231
there was a burner flame detected
glass and determine if flame is still
when the system is in post-
during burner post-purge. Turn power
present after burner is shutdown. If
purge mode
switch OFF. Check to see if this may be
not, Flip RESET switch, attempt
caused by excess fuel in the burner
restart. If flame is visable, notify unit
during system post-purge or by excess
maintenance.
carbon in the burner.
9.
Heater starts, runs for a time,
Step 1. This fault code indicates that the
Step 1. Fill heater with adequate fuel
and then displays fault code:
burner had a loss of flame while
in the internal fuel tank or in the bulk
S241
running. Turn power switch OFF. Check
fuel supply. Flip RESET switch,
to ensure that there is adequate fuel in
attempt restart.
the fuel tank or in the bulk fuel supply.
Step 2. Check to see if heater fuel
Step 2. Place fuel mode switch in
mode switch is in external fuel mode
INTERNAL mode if operating from
when heater is operating from internal
the internal fuel supply. Place in
fuel supply.
EXTERNAL mode if operating from
external fuel supply.
Step 2. Open the burner access door
Step 3. Connect flame sensor wire
and ensure that the flame sensor wire
harness connector securely (see WP
harness connector is connected
securely (see WP 0053 00 for location).
switch, attempt restart.
Step 4. If problem has not been
corrected, notify unit maintenance.
10. Heater starts, shuts down,
Step 1. This fault code indicates that the
Step 1. Secure any loose or
and displays fault code: H130
system is experiencing a battery low or
disconnected wires going to the
high condition. Turn power switch OFF.
alternator. Notify unit maintenance if
Open engine bay access door and
any wires are cut or damaged in any
inspect the wires going to the alternator
way.
and ensure that they are all connected
0008 00-3
