TROUBLESHOOTING THE NHE CONTROL
Trouble
Run Lamp, Time
Meter,
or
Battery
Condition Meter
Does Not
Operate
Possible Cause
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.
2.
3.
4a.
4b.
Check for continuity and
correct if circuit is open
Check for continuity and
correct if circuit is open
Replace time meter
Replace battery condition
meter
Replace zener diode
7-7
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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