Carrier VECTOR 1550 Series - Page 189

62-61753-21
7-73
Alarm
NO.
Steps
ALARM / CAUSE
CORRECTIVE ACTION
P158 CHECK AMBIENT AIR SENSOR
 TRIGGER-ON: Sensor reading was not within the expected range during test.
 UNIT CONTROL: Pretrip will fail and display "PRETRIP FAIL AND COMPLETED".
 RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via key-
pad or by turning the unit off, then back on again.
1
Check Sensor - refer to alarm 121
P159 CHECK DEFROST TERMINATION 1 SENSOR
 TRIGGER-ON: Sensor reading was not within the expected range during test.
 UNIT CONTROL: Pretrip will fail and display "PRETRIP FAIL AND COMPLETED".
 RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via key-
pad or by turning the unit off, then back on again.
1
Check Sensor - refer to alarm 124
P160 CHECK DISCHARGE TEMPERATURE SENSOR
 TRIGGER-ON: Sensor reading was not within the expected range during test.
 UNIT CONTROL: Pretrip will fail and display "PRETRIP FAIL AND COMPLETED".
 RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via key-
pad or by turning the unit off, then back on again.
1
Check Sensor - refer to alarm 125
P161 CHECK SUCTION TEMPERATURE SENSOR
 TRIGGER-ON: Sensor reading was not within the expected range during test.
 UNIT CONTROL: Pretrip will fail and display "PRETRIP FAIL AND COMPLETED".
 RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via key-
pad or by turning the unit off, then back on again.
1
Check Sensor - refer to alarm 127
P169 CHECK ECONOMIZER CIRCUIT
 TRIGGER-ON: Solenoid coil did not draw expected amperage during test
 UNIT CONTROL: Pretrip will fail and display "PRETRIP FAIL AND COMPLETED".
 RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via key-
pad or by turning the unit off, then back on again.
1
Check economizer solenoid valve - refer to alarm 113
P170 CHECK LIV (liquid Injection Valve) CIRCUIT
 TRIGGER-ON: Solenoid coil did not draw expected amperage during test
 UNIT CONTROL: Pretrip will fail and display "PRETRIP FAIL AND COMPLETED".
 RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via key-
pad or by turning the unit off, then back on again.
1
Check economizer solenoid valve - refer to alarm 114