TM 9-2320-387-24-l
INSTRUMENTS CIRCUIT
AIR FILTER RESTRICTION
GAUGE OK
VACUUM TUBE OK
1 POSSIBLE
PROBLEMS
1
WIRING
SWITCH
MOTOR
CIRCUIT BREAKER 1
PCB
KNOWN INFO
WIRE 27C OK
POSSIBLE
PROBLEMS
,
WIRING
SWITCH
MOTOR
CIRCUIT BREAKER 1
PCB
KNOWN INFO
WIRE 27C OK
WIRE 27D OK
CIRCUIT BREAKER 1 OK
POSSIBLE
PROBLEMS
WIRING
SWITCH
MOTOR
PCB
REMOVE WIRE 27C FROM
CIRCUIT BREAKER 1. WITH THE
ROTARY SWITCH IN THE RUN
POSITION, IS THERE BATTERY
VOLTAGE AT WIRE 27C AT
CIRCUIT BREAKER 1 ?
T OPTIONS
1. STEIICE-R TEST 89
(Page 2-506)
2. MULTIMETER
REASON FOR QUESTION
Voltage here indicates that wiring
to the circuit breaker is OK.
p2
1 TEST OPTIONS
I
RECONNECT WIRE 27C. REMOVE
WIRE 27D FROM THE HEATER
FAN SWITCH. WITH THE ROTARY
SWITCH IN THE RUN POSITION,
IS THERE BAI-l-ERY VOLTAGE
AT WIRE 27D?
I
1. STIYICE-R TEST 89
(Page 2-506)
I
2. MULTIMETER
1 I-
REASON FOR QUESTION
If you have voltage here, the
circuit breaker and wiring to the
switch is OK.
FAN MOTOR. WITH THE ROTARY
I
2. MULTIMETER
SWITCH IN THE RUN POSITION
AND THE HEATER FAN SWITCH
ON HIGH, IS THERE BATTERY
VOLTAGE AT WIRE 400D?
2-362
