TM 9-2350-277-10
TROUBLESHOOTING TABLE — Continued
0089 00
INITIAL SETUP:
Maintenance Level
Operator
PERSONNEL HEATER
NOTE
For troubleshooting Model A20 personnel heater with P/N 5000-30178 see TM
9-2540-207-14&P. For troubleshooting personnel heaters with P/N D55350-G1 and
10560M24B1 use table below.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVEACTION
1.
HEATER DOES NOT
START WITH THE
RUN-OFF-START
SWITCH HELD IN START
POSITION. HEATER
MOTOR RUNS.
1.
Check to see if fuel tanks manual shutoff
valves are closed.
Open fuel tanks manual shutoff
valves (WP 0004 00).
2.
Check diagnostic display on heater for
diagnostic fault code (Model A20 only).
Notify unit maintenance.
2.
HEATER DOES NOT
START WITH THE
RUN-OFF-START
SWITCH HELD IN START
POSITION. HEATER
MOTOR DOES NOT RUN.
1.
Push PRESS-TO-TEST switch on personnel
heater control box to test for electrical
power. If light does not work, check for
loose electrical connections at control box
and heater.
Tighten loose connections.
2.
Check to see if battery connections are tight.
Notify unit maintenance.
3.
Check diagnostic display on heater for
diagnostic fault code (Model A20 only).
Notify unit maintenance.
3.
HEATER OVERHEATS
AND STOPS.
1.
Check to see if heater intake elbow, exhaust
elbow, or warm air outlet is blocked.
Remove whatever is blocking the
heater system (WP 0028 00).
2.
Check diagnostic display on heater for
diagnostic fault code (Model A20 only).
Notify unit maintenance.
4.
HEATER OVERHEATS
AND DOES NOT STOP.
1.
Check to see if personnel heater fuel supply
valve is OFF.
Turn personnel heater fuel supply
valve OFF (WP 0028 00).
2.
Allow heater to run for 2-3 minutes to burn
off fuel in heater.
Disconnect electrical connector
from heater.
3.
Check diagnostic display on heater for
diagnostic fault code (Model A20 only).
Notify unit maintenance.
5.
HEATER DOES NOT PUT
OUT ENOUGH HEAT.
1.
Check to see if HI-LO switch is in LO
position.
Move HI-LO switch to HI position
(WP 0028 00).
2.
Check diagnostic display on heater for
diagnostic fault code (Model A20 only).
Notify unit maintenance.
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