TROUBLESHOOTING THE
NHEL
CONTROL
Trouble
Run Lamp, Time
Meter, or
Battery
Condition Meter
Does
Not
Operate
Possible Cause
-
1.
2.
3.
4.
Open circuit between
terminal
6
or
remote connector
plug and terminal
6
on
Start/Run/Stop switch
Open circuit between ground
terminals on lamp or meters
and terminal
1
on remote
Start/Run/Stop switch
If battery condition meter
works but time meter does
not operate, time meter is
defective.
If time meter works but
battery condition meter does
not operate, verify that jumper
wire is connected between
terminals
5
and
6
on remote
start/stop switch. If jumper is in
place, connect a voltmeter
between the positive terminal
on battery charge meter
and ground. Use the following
to determine fault:
a.
If
reading equals battery
voltage minus
10
volts,
battery meter is defective.
b. If reading does not equal
battery voltage minus
10
volts,
zener diode
is
defective.
Corrective Action
-
1)
Check for continuity and
correct if circuit is open
2)
Check for continuity and
correct if circuit
is
open
3)
Replace time meter
4a. Replace battery condition
4b. Replace zener diode
meter
7-1
4
Redistribution or publication of this document
by any means, is strictly prohibited.
Redistribution or publication of this document
by any means, is strictly prohibited.
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