TM
5-5420-226-20-1
Symptom-45
DETAILED
TROUBLESHOOTING
PROCEDURE
INDICATOR
- LAMP
r-----
.
----
rKUM
>IEP
(Continued)
(-)2
-
WARNING —
Use extreme
care when working
with
circuit
400.
This
circuit
carries
battery
voltage
at all times, whether
MASTER
BATTERY
switch
is ON or
OFF.
I
‘Check
for electrical
power
at PERSONNEL
HEATER
indicator
lamp terminal
3 (CKT 405).
Technician
(Operator’s
Station)
l Set HEATER
MASTER
switch
OFF.
l Displace
master
control
panel
(page 10-33).
l Disconnect basket-control panel accessories
harness
from
master
control
panel.
l Remove 4 screws, nuts and washers from master control
panel
accessories
harness
connector
and displace
connector
from
master
control
panel.
l Set multimeter
to measure
18 to 30 volts dc or use STE/
ICE
Test
No.
89 (page
4-83).
l Connect red probe of meter to terminal
3 of personnel
heater
indicator
lamp
assembly
(CKT
405) and black
probe
to ground.
l Set HEATER
MASTER
switch
ON.
l Check if meter indicates
18 to 30 volts dc.
{
)oes meter
indicate
18 to 30 volts dc?
(
I
Q
.!
;+
0,
TO VEHiCLE
.
Replace
personnel
heater
indicator
lamp electrical
iead
(CKT 405).
I
TA1072O2
-—
4-513
