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3.12 ALARM DISPLAY AND RESET
1. To reset the display, Press the FUNCTION key and then the UP or DOWN arrow key until ALARM RST is
displayed.
2. Press ENTER to clear the alarm. ALARM CLR will be displayed. (Unit will restart if alarm condition has been
corrected and unit is in Start/Stop or Auto OP).
The fault light (FL) illuminates only for alarms that specify it. If an alarm is generated, the default display is overrid-
den. When an alarm is generated, the display will alternate the default display (set point/compartment temperature)
and the active alarm(s). Each item is displayed for 3 to 10 seconds and will continue to scroll through the list. See
for list of alarms.
Alternate Alarm Reset
Place the I/O switch in the OFF (O) position. (Unit can now be restarted after alarm condition has been corrected).
Table 3–7 Alarm Display
Code
English
Description
AL0
ENG OIL
Low Engine Oil Pressure
AL1
ENG HOT
High Engine Coolant Temperature
AL2
HI PRESS
High Compressor Discharge Pressure
AL3
START-FAIL
Start Failure After Three Attempts
AL4
LOW BATT
Low Battery Voltage
AL5
HI BATT
High Battery Voltage
AL6
DEFRFAIL
Defrost Override
AL7
ALT AUX
Alternator Auxiliary
AL8
STARTER
Starter Motor - Engagement Not Sensed
AL9
1RA SENSOR
Return Air Sensor Comp 1 Failure
AL10
2RA SENSOR
Return Air Sensor Comp 2 Failure
AL11
WT SENSOR
Coolant Temperature Sensor Failure
AL12
HIGH CDT
High Compressor Discharge Temperature
AL13
CD SENSOR
Discharge Temperature Sensor Failure
1
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Summary of Contents for SUPRA 950Mt
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