Chapter 6 – Error Messages 
UM-23100B-U User manual ATEQ F CLASS Page 81/90 
 Chapter 6 
 ERROR MESSAGES 
The ATEQ F CLASS can display error messages if there are operational problems. 
PROBLEM 
LIT 
INDICATORS 
MESSAGE DISPLAYED 
Reference error. Leak in excess of 
the full scale. 
Action: check the reference circuit.
T
PRESS=0.942 bar
LEAK=>>F.S REF.
READY (NO OK)
Test error. Leak in excess of the 
full scale. 
Action: check the test circuit. 
T
 
CYCLE/Pr001
PRESS=0.942 bar
LEAK=>>F.S TEST
READY (NO OK)
Pressure in excess of the full 
scale. 
Action: decrease the pressure 
using the mechanical regulator 
knob or the target if an electronic 
regulator is used. 
T
PRESS=> FULL SCALE
READY (NO OK)
Differential transducer fault. 
Action: contact ATEQ after sales 
service for repair (probably water 
or oil in the instrument's test 
circuit). 
T
PRESS=0.942 bar
LEAK= SENSOR DEF.
READY (NO OK)
Pressure in excess of the max. 
threshold. 
Action: check regulator settings, 
pressure limits, check whether the 
right regulator has been selected if 
there are two. 
T
 
CYCLE/Pr001
PRESS=1.02 bar  P>
READY (NO OK)
Pressure below the min. threshold.
Action: check the network 
pressure and regulator settings, 
the pressure limits, and whether 
the right regulator has been 
selected if there are two. 
T
 
CYCLE/Pr001
PRESS=0.000 bar  P<
READY (NO OK)
ATR error.  
Action: run another ATR learning 
cycle or check the ATR 
parameters. ATR fault.  
T
PRESS=0.942 bar
LEAK=ATR DEFAULT
READY (NO OK)