Carrier VECTOR 1550 Series - Maximum Compressor Alarms; Technician Reset Required

62-61753-21
7-15
Alarm
NO.
Steps
ALARM / CAUSE
CORRECTIVE ACTION
20 MAXIMUM COMPRESSOR ALARMS
 TRIGGER ON: Option must be installed and alarm must be enabled by configuring the Compressor
Alarm Shutdown to YES. Alarms 13, 17, 18, 27 or 28 individually occur 3 times within the last 2 hours
of engine running time.
 UNIT CONTROL: Engine operation: engine and unit shutdown and alarm.
Standby operation: refrigeration system shutdown and alarm with PSCON
still energized.
 RESET CONDITION: Reset from inactive alarm list only. Can not be reset by turning switch OFF and
then ON again.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the
alarm(s). (Refer to Note 1 Page 7-1) Operate the unit through the appropriate modes to see if any active alarm
occurs. Continue with the steps below as necessary.
1
Determine Which Alarm Caused This Alarm To Be Active.
a. Check active alarm list for
Alarm #’s 13, 17, 18, 27 or 28.
One or more of these alarms will be present.
b. Follow the steps for the alarm(s)
found above, and correct the alarm
condition.
All alarms condition must be fixed.
2
Reset Alarm
a. Reset all alarms from the inactive
alarm list.
All alarms must be cleared to start unit.
21 TECHNICIAN RESET REQUIRED
 TRIGGER ON: The High Engine Temp Shutdown Configuration and/or Engine Oil Pressure Shutdown
Configuration is/are set to YES, and either Alarm 11 – Low Engine Oil Pressure, or Alarm 12 – High
Coolant Temperature has become active and shut the unit down three times within the past 2 hours
 UNIT CONTROL: Engine Operation: engine and unit shutdown and alarm.
Standby Operation: This alarm will not activate in Standby Operation
 RESET CONDITION: Reset from inactive alarm list only. Can not be reset by turning switch OFF and
then ON again.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, the active
alarm should clear itself (see reset condition above). Operate the unit through the appropriate modes to see if any
active alarm occurs. Continue with the steps below as necessary.
1.
Determine Which Alarm Caused This Alarm To Be Active
a. Check active alarm list for
Alarm #’s 11 or 12.
One or more of these alarms will be present.
b. Follow the steps for the alarm(s)
found above, and correct the alarm
condition.
All alarms condition must be corrected.
2.
Reset Alarm
Reset all alarms from the inactive
alarm list.
All alarms must be cleared to start unit.