TM 9-4520-272-14&P
0016 00
Table 1. Troubleshooting Procedure for Large Capacity Field Heater (LCFH).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
0026 00.
31. Heater starts, shuts down,
Step 1. This error code indicates that
Step 1. Lubricate the engine throttle
displays error code: H124 but
engine continues to run
present before engine start. Turn power
and ensure that it is not sticking.
switch to OFF. Shut engine down as
described in procedure 30 of this work
Step 2. Replace a defective engine
package. Check the engine throttle
throttle shutdown cable IAW WP
shutdown cable and ensure that it is not
sticking.
Step 3. Replace a defective engine
throttle shutdown solenoid IAW WP
32. Heater starts, shuts down,
Step 1. This error code indicates that an
Step 1. Secure the burner
and displays error code: H212
over current situation exists in the
combustion fan to correct a stalled or
jammed motor shaft.
motor shaft and determine if it is stalled
or jammed.
Step 2. Check the burner combustion
Step 2. Repair or replace a shorted
fan wiring harness and determine if the
burner combustion fan wiring
wiring harness to the fan has been
harness.
shorted to ground.
Step 3. Determine if the burner
Step 3. Replace a defective burner
combustion fan is defective.
33. Heater starts, shuts down,
Step 1. This error code indicates that an
Step 1. Secure a loose or
and displays error code: H321
open circuit has been detected at the
disconnected wire harness
carbon monoxide inlet air sensor. Turn
connector on cabinet mounted
power switch to OFF. Check cabinet
carbon monoxide detector IAW WP
mounted carbon monoxide detector to
determine if the wire harness is loose or
disconnected.
Step 2. Test cabinet mounted carbon
Step 2. Replace a defective cabinet
mounted carbon monoxide detector
determine if it is operating correctly.
34. Heater starts, shuts down,
Step 1. This error code indicates that a
Step 1. Repair any shorted wires on
and displays error code: H322
short circuit has been detected at the
carbon monoxide detector IAW WP
carbon monoxide inlet air sensor. Turn
power switch to OFF. Check cabinet
mounted carbon monoxide detector to
determine if any of the wires are
shorted to one another or to ground.
Step 2. Test cabinet mounted carbon
Step 2. Replace a defective cabinet
monoxide detector to determine if it is
mounted carbon monoxide detector
operating correctly.
0016 00-11