62-11785 7–40
P00141 PRETRIP STOPPED BY USER
• ACTIVATION: Pretrip cycle was stopped by user before the Pretrip cycle ended automatically.
• UNIT CONTROL: Alarm Only.
• RESET CONDITION: Alarm may be manually reset using the display mounted keys or by turning the unit
off, then back 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 in Notes Section.) Operate the unit through the appropriate modes to see if any active
alarm occurs. Continue with the steps below as necessary.
CORRECTIVE ACTIONS:
1. Check For Any Pretrip Alarms - Scroll the alarm list for any Active Pretrip alarms. Alarm conditions
must be corrected and the alarm cleared to continue.
2. Rerun Pretrip Check (If Desired)
a. Clear Active Alarm List, then run Pretrip & check for any new alarms. Unit is in Pretrip. Check for
any new alarms.
b. Allow to terminate automatically. Pretrip cycle operates normally.
P00153 CHECK RETURN AIR SENSOR
• ACTIVATION: Return Air Temperature Sensor (RAT) is not within the range of -53 to +158°F (-47 to +70°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 00122 CHECK RETURN AIR SENSOR. Alarm
condition must be corrected and the alarm cleared to continue.
P00154 CHECK SUPPLY AIR SENSOR
• ACTIVATION: Supply Air Temperature Sensor (SAT) is not within the range of -53 to +158°F (-47 to +70°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 00123 CHECK SUPPLY AIR SENSOR. Alarm
condition must be corrected and the alarm cleared to continue.
To Next Page
Loading...
Need help?
General
