what causes bypass calibration fail diagnostic

Issue:

what causes bypass calibration fail diagnostic

Resolution:

VAV-SVU01A-EN, operator guide, page 58, bypass calibration fail, calibration not successful

2 Bypass Calibration Fail = Indicates the CCP failed to complete the calibration process. Likely causes are failure to read zero flow (fan did not shut off or bad static pressure transducer), or failure to read a valid static pressure value with the fan on (system not balanced properly, oversized ductwork, or bad or improperly installed static pressure transducer).

VAV-SVU01A-EN, operator guide, page 11, bypass system calibration sequence, check that it happens

check the Kavlico pressure transducer on the change over bypass damper

 

CCP Operator Guide VAV-SVU01A-EN can be found on the below link

https://tranesupport.zendesk.com/hc/en-us/articles/11744522945677-VariTrac-III-CCP-literature

 

Other Question/Problem/Cause Statements:

• what causes bypass calibration fail diagnostic

Facts:

• VARITRAC III CENTRAL CONTROL PANEL (CCP)
• VariTrac III Central Control Panel (CCP)

Original wave: wave6032