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Page Title:
PERSONNEL HEATER FAN DOES NOT OPERATE (CONT) |
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 TM 9-2320-366-20-1
TM
e76. PERSONNEL HEATER FAN DOES NOT OPERATE (CONT)
KNOWN INFO
TEST OPTIONS
2.
Circuit breaker OK.
Continuity Test or
Main instrument panel
STE/ICE-R #91
Is continuity present
controls and indicators OK.
REASON FOR QUESTION
between heater fan control
POSSIBLE PROBLEMS
This question eliminates
switch orange wire and a
possible problems and
Faulty heater fan control
known good ground?
determines where
switch.
troubleshooting continues.
Faulty personnel heater.
Faulty dashboard cable
assembly.
NO
YES
Go to step 4 of this fault.
KNOWN INFO
TEST OPTIONS
3.
Circuit breaker OK.
Continuity Test or
Main instrument panel
STE/ICE-R #91
Is continuity present
controls and indicators OK.
REASON FOR QUESTION
between heater fan control
Dashboard cable
If continuity is not present,
switch terminals?
assembly OK.
heater fan control switch is
faulty. If continuity is
POSSIBLE PROBLEMS
present, heater is faulty.
Faulty heater fan control
switch.
Faulty personnel heater.
NO
Replace heater fan
YES
control switch (para 18-10).
Replace or repair personnel
heater (para 18-9).
2-870
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