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Unit Description
30
Displaying and Clearing Alarm
Codes
When the controller senses an alarm condition, an
Alarm icon appears on the display. A two digit
alarm code is used to identify the type of alarm.
There are three types of alarms.
•
Stored Alarms: This alarm indicates that a
condition should be investigated but does not
currently affect unit operation. The Alarm
icon appears for 30 seconds when the
O
N
key
is pressed and then disappears.
•
Check Alarms: This alarm indicates that a
condition requires corrective action before an
abnormal condition becomes severe. The
Alarm icon appears and remains On.
•
Shutdown Alarms: This alarm indicates that a
condition may damage the unit. The controller
stops the unit, the Alarm icon appears and the
entire display flashes On and Off.
1. To display the alarm code, press and release
the
S
ELECT
key until the alarm screen is
displayed.
NOTE: If more than one alarm has been
sensed, all alarm codes present will
automatically alternate on the screen.
2. Write down each alarm code that appears.
Then correct the cause of each alarm.
NOTE: Press the
O
FF
key to stop unit before
inspecting or servicing the unit. Turn the
Microprocessor On/Off switch to Off to
service the
µ
P-T microprocessor module or
disconnect the unit battery. Finally,
disconnect the battery to completely remove
12 Vdc power to the unit for service of the
microprocessor interface board and unit
controls.
3. To clear the alarms after all problems have
been corrected, start the unit. Then press and
release the
S
ELECT
key until the alarm screen is
displayed again.
4. While the alarm screen is showing, press the
E
NTER
key. The alarm will clear and the
standard display will appear on the screen. If
more than one alarm code is present,
repeatedly press the
E
NTER
key to clear each
alarm code individually.
NOTE: Alarms may continue to appear as
the unit operates if the alarm condition is not
corrected.
Restarting the Unit
These procedures are used when starting units that
have been shut off for short periods of time. When
a unit has been shut off for a long period of time is
first started, it should be started and put through a
full unit self check.
Automatic Start
1. Push the
O
N
key.
2. After a 10 second delay, the unit should
preheat and start automatically.
NOTE: When the CYCLE-SENTRY icon is
active, the unit may not start if:
The compartment temperature is near the
setpoint.
The engine is warm.
The battery is fully charged.
If cooling or heating is required and the engine
temperature is below approximately 120 F (96 C),
but the engine fails to start automatically:
1. Push the
O
FF
key.
2. Check for and correct any alarm conditions
and clear the alarm codes. View the alarms
with the
S
ELECT
key, clear the alarms with the
E
NTER
key, and the repeat the auto start
procedure. see the
µ
P-T Microprocessor
Diagnosis Manual, for detailed information
about alarms.
3. If the engine will still not start, push the
O
FF
key, determine and correct the cause of the
failure.
Summary of Contents for 919180
Page 4: ...4...
Page 10: ...Table of Contents 10...
Page 32: ...Unit Description 32 Unit Photographs Figure 3 Front View Figure 4 Back View AJA584 AJA585...
Page 33: ...Unit Description 33 Figure 5 Left Side View Figure 6 Right Side View AJA586 AJA58...
Page 35: ...Unit Description 35 Figure 8 North American Power Receptacle Box AJA58...
Page 38: ...Unit Description 38...
Page 58: ...Electrical Maintenance 58...
Page 66: ...Engine Maintenance 66 Figure 37 Fuel and Oil System Components...
Page 84: ...Engine Maintenance 84...
Page 96: ...Refrigeration Maintenance 96...
Page 118: ...Hilliard Clutch Maintenance 118...
Page 136: ...Cycle Diagrams 136...
Page 140: ...Wiring and Schematic Diagrams Index 140...
Page 141: ...141 Truck S Model SR 30 Schematic Diagram Page 1 of 2...
Page 142: ...142 Truck S Model SR 30 Schematic Diagram Page 2 of 2...
Page 143: ...143 Truck S Model 30 Units with P T Wiring Diagram Page 1 of 2...
Page 144: ...144 Truck S Model 30 Units with P T Wiring Diagram Page 2 of 2...
Page 145: ...145 Truck S Model 50 Schematic Diagram Page 1 of 2...
Page 146: ...146 Truck S Model 50 Schematic Diagram Page 2 of 2...
Page 147: ...147 Truck S Model 50 Units with P T Wiring Diagram Page 1 of 2...
Page 148: ...148 Truck S Model 50 Units with P T Wiring Diagram Page 2 of 2...