Fault Screen (“FAULT”) Flow faults related to pump or tubing status Faults related to IR sensor system System temperatures out of normal range Current loop and configuration faults Exit Fault screen Press Enter once to view individual fault events, press Enter twice to view zone flow faults. 400 Series Press to view fault logs

Fault Screen (“FAULT”) Flow faults related to pump or tubing status Faults related to IR sensor system System temperatures out of normal range Current loop and configuration faults Exit Fault screen Press Enter once to view individual fault events, press Enter twice to view zone flow faults. 400 Series Press to view fault logs

Fault Screen (“FAULT”) Flow faults related to pump or tubing status Faults related to IR sensor system System temperatures out of normal range Current loop and configuration faults Exit Fault screen Press Enter once to view individual fault events, press Enter twice to view zone flow faults. 400 Series Press to view fault logs

Fault Screen (“FAULT”) Flow faults related to pump or tubing status Faults related to IR sensor system System temperatures out of normal range Current loop and configuration faults Exit Fault screen Press Enter once to view individual fault events, press Enter twice to view zone flow faults. 400 Series Press to view fault logs

Fault Screen (“FAULT”) Flow faults related to pump or tubing status Faults related to IR sensor system System temperatures out of normal range Current loop and configuration faults Exit Fault screen Press Enter once to view individual fault events, press Enter twice to view zone flow faults. 400 Series Press to view fault logs

Fault Screen (Using DIAG as a tool) Switch to next zone to compare running pressures between zones 400 Series

Fault Screen (Service Mode to initiate Pressure Check) 2 2/ Then use Up arrow key to pick DIAG and then Enter to select and return to diagnostic screen 1 400 Series 1/ Press Enter twice to enter Service Mode and then twice to leave Service mode

Fault Screen (Using DIAG as a tool) If the running pressure is within correct range, no flow faults will occur. If (Vac+3) < PRES < (Amb – 0.4) Then no flow faults (Ignore this value, it is not used) 400 Series

Fault Screen (“FAULT”) Indicates failure of P sensor, requires factory service 400 Series

Fault Screen (Using DIAG as a tool) Poor or degraded pump performance will not attain 2-4 PSIA VAC 400 Series

Fault Screen (“FAULT”) Review of pressure fault causes & remedies 400 Series