62-11785 7–42
P00160 CHECK DISCHARGE TEMP SENSOR
• ACTIVATION: Compressor Discharge Temperature Sensor (CDT) is not within the range of -40 to +392°F
(-40 to +200°C.)
• 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 using the dis-
play mounted keys or by turning the unit off then back on again.
CORRECTIVE ACTIONS:
Check sensor operation - Refer to procedure for alarm 00125 CHECK COMP DISCHARGE SEN-
SOR. Alarm condition must be corrected and the alarm cleared to continue.
P00161 CHECK SUCTION TEMP SENSOR
• ACTIVATION: Compressor Suction Temperature Sensor (CST) is not within the range of -40 to +392°F
(-40 to +200°C.)
• 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 using the dis-
play mounted keys or by turning the unit off then back on again.
CORRECTIVE ACTIONS:
Check sensor operation - Refer to procedure for alarm 00127 CHECK SUCTION TEMP SENSOR.
Alarm condition must be corrected and the alarm cleared to continue.
P00170 CHECK LIV CIRCUIT
• ACTIVATION: During Test #2 the LIV current draw is not in range.
• UNIT CONTROL: Alarm Only.
• RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via keypad or
by turning the unit off, then back on again.
CORRECTIVE ACTIONS:
Check LIV Circuit - Refer to procedure for alarm 00114 CHECK LIV CIRCUIT.
P00173 CHECK ECONOMIZER
• ACTIVATION: Test #12, Check Economizer Expansion Valve fails.
• UNIT CONTROL: Alarm Only.
• RESET CONDITION: Auto reset if Pretrip is started again or alarm may be manually reset using the dis-
play mounted keys or by turning the unit off then back on again.
CORRECTIVE ACTIONS:
Check Economizer - Refer to procedure for alarm 07000 ECONOMIZER TEMP SENSOR & alarm
07001 ECONOMIZER PRESS SENSOR.
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