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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
Summary of Contents for NDK33BN0KB
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Page 3: ...OPERATION SERVICE MANUAL for VECTOR 1550 1550 CITY Trailer Refrigeration Units...
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Page 22: ...62 61753 21 1 8 1 5 SAFETY DECALS 62 61343 00 Rev or 62 02139 01 Rev C 62 02143 00 Rev...
Page 24: ...62 61753 21 1 10 62 60192 00 Rev D...
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