TM 5-3810-307-24-1-1
Organizational Troubleshooting - Continued
SYMPTOM
PROBABLE CAUSE
CORRECTIVE ACTION
DIESEL FUEL HEATER
1. Heater fails to start -
a. Loose or broken electrical
a. Check and tighten connections
motor does not run.
connections at control panel
as necessary.
or heater.
b. No or insufficient power at
b. Check for broken wires or loose
heater.
connections in heater power
circuit.
2. Heater fails to start -
a. Poor ground connection.
a. Check ground wire. Clean and
motor runs.
tighten as necessary.
b. Inadequate or incorrect fuel.
b. Check for clogged fuel line or
incorrect fuel. Clean or replace
fuel line. Drain and refill tank
with correct fuel.
3. Inadequate heat output.
Loose or broken electrical
Check electrical connections.
leads.
Tighten loose connections.
4. Fan fails to go to high
Loose or broken electrical
Check electrical connections.
speed during burner
leads.
Tighten loose connections.
cycle.
5. Excessive smoke in
a. Loose or broken electrical
a. Check electrical connections.
leads.
Tighten loose connections.
b. Incorrect fuel.
b. Drain and refill tank with correct
fuel.
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