Carrier Supra 950MT Operation & Service Manual page 58

AL14
AL15
AL16
AL17
AL18
AL19
AL20
AL21
AL22
AL23
AL26
= FAULT LIGHT ON
AL0: Low Oil Pressure Alarm
The Low Oil Pressure alarm is displayed with the description ENG OIL or AL0. This alarm is generated if the con-
trol senses low oil pressure under the proper conditions. The fault light (FL) is on and the engine shuts down.
AL1: High Coolant Temperature Alarm
The High Coolant Temperature alarm is displayed with the description ENG HOT or AL1. This alarm is generated if
the control senses a high coolant temperature. The fault light (FL) is on and the engine shuts down. See
2.7.2 for more detailed information, and see
AL2: High Pressure Alarm
The High Pressure alarm is displayed with the description HI PRESS or AL2. This alarm is generated if the High
Pressure switch opens. The fault light (FL) is on and the engine shuts down. For more information, see
2.7.5. Also, see Section 5.12.2
AL3: Start Failure Alarm
The Start Failure alarm is displayed with the description STARTFAIL or AL3. This alarm is generated if the engine
fails to start. The fault light (FL) is turned on.
AL4: Low Battery Voltage Alarm
The Low Battery Voltage alarm is displayed with the description LOW BATT or AL4 and the fault light (FL) is on.
This alarm is activated whenever battery voltage falls below 10V except for the period of time when the starter is
cranking the engine (Auto startup or Start/Stop restart) and the five seconds immediately after the starter stops
cranking. See Section 3.15.3
AL5: High Battery Voltage Alarm
The High Battery Voltage alarm is displayed with the description HI BATT or AL5. This alarm is generated if the bat-
tery voltage is above 17 VDC. The fault light (FL) is on and the engine shuts down.
AL6: Defrost Override Alarm
The Defrost Override alarm is displayed with the description DEFR FAIL or AL6. If after 45 minutes of defrost, the unit is
still in DEFROST mode, the unit displays AL6 and switches to DEFROST OVERRIDE mode. The fault light (FL) is on.
AL7: Alternator Auxiliary Alarm
The Alternator Auxiliary alarm is displayed with the description ALT AUX or AL7. This alarm is generated if the
alternator auxiliary signal is not present with the engine running. The fault light (FL) is on. See
more detailed information on servicing the alternator.
AL8: Starter Motor Alarm
The Starter Motor alarm is displayed with the description STARTER or AL8. This alarm is generated if the starter
motor input signal is not present with starter solenoid energized. The fault light (FL) is on.
62-11863
Table 3–7 Alarm Display (Continued)
SBY MOTOR Standby Motor Overload Open
FUSE BAD Fuse Open
3RA SENSOR Not used in Supra 950MT
DISPLAY Display Communication Failure
SERVICE 1 Maintenance Hour Meter 1
SERVICE 2 Maintenance Hour Meter 2
1RA OUT Main Compartment Out-of-range
2RA OUT Remote Compartment 2 Out-of-range
3RA OUT Not used in Supra 950MT
NO POWER No Power for Standby
SYSTEM CK Low suction pressure
Section 5.2.1
for high pressure switch checks.
and Table 3–9 for more detailed information.
for coolant system and replacement.
3-16
Section
Section
Section 5.2.9 for