7-2
62-11039
7.2 NOTES
Note 1
Active alarms will always be in the Alarm List.
They will have an “A” in front of the alarm
number. Active alarms may be inactivated by
going to the end of the Active Alarm list.
“LIST END, = TO CLEAR ALARMS” will
appear in the MessageCenter. Pressing =
will clear or inactivate the alarms. This moves
the alarm to the Inactive Alarm list,
if
the
condition that caused the alarm has been
corrected.
When Shutdown Alarms are
cleared, the unit will attempt to restart (if the
micro is set for auto-start).
When
non-Shutdown Alarms are cleared, there will
be no noticeable change in the unit’s
operation.
The Inactive Alarm list is reached by first
pressing and holding the Alarm List key, then
the UP Key, and holding both of them for 3
seconds. Alarms in this list will begin with “I”
(Inactive) followed by the alarm number.
Clearing alarms from the Inactive Alarm list
will also clear alarms from the Active Alarm
List. Go to the end of the Inactive Alarm List.
“LIST END, = TO CLEAR ALARMS” will
show in the Message Center. Press = to clear
all alarms from both lists.
Note 2
Many electrical circuits may be tested by
leaving all compartment switches in the “O”
(OFF) position and turning the RS to the
START/RUN
position.
At
least
one
compartment must be in the “1” (ON)
position. In this mode, RCR will be energized
and the main display will show “OFF”.
Note 3
Many checks will be made with the
microprocessor powered up, but with no
outputs to the unit components. The unit may
be put into PC Mode to do this. For additional
information see PC Mode --
Section 5.1.
Note 4
Sensors may be tested at the component
plug using an ohmmeter. If required, sensor
circuits may be tested at the 1MP plug.
Remove plug from Microprocessor and,
using an ohmmeter, test resistance of
circuits. Be careful not to damage the
connector pins. (See Section 8.28 for chart of
resistances for different sensors.)
Note 5
The Defrost Air Switch, RPM Sensor, Engine
Oil Level Switch, Fuel Level Sensor, Door
Switch, or HP1 can be tested as components
alone. If required, the circuits may be tested
at the 2MP plug.
Remove plug from
Microprocessor and using the wiring
diagram, check for voltage at the appropriate
terminal.
Note 6
Some tests can only be conducted with the
unit operating. The unit may be started
automatically by placing the RS in the
Start/Run position and at least one
compartment also in the “1” (ON) position.
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