Chapter 6 – Error messages 
UM-22100H-U User manual ATEQ D520 Page 112/122 
PROBLEM 
LIT 
INDICATORS 
MESSAGE DISPLAYED 
CAL fault : no CAL learning 
Action: carry out CAL learning  
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PRESS  =  20.5 mbar 
DEBIT  = CAL. ERROR 
READY (NO OK) 
CAL drift found following request 
for CAL check. 
Action: check the programmed 
percentage of CAL drift, the known 
standard leak and the test 
pressure.  
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PRESS  =  20.4 mbar 
DEBIT  =  CAL. DRIFT
READY (NO OK) 
1) The electronic regulator has 
been unable to initialise correctly.
2) The input pressure on the 
regulator must be at least 10 % of 
regulator full scale + 100kPa (+ 1 
bar). 
Action: check supply network 
pressure or pressure at the 
regulator input. 
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The indicator lights come on 
briefly after the following 
message is displayed: 
 
 
REGULATOR ERROR 
 
 
PROG error: the I/O's have 
selected a program with no 
parameters. 
Action: enter program parameters.
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CYCLE/Pr: 09 
ERROR 
Inappropriate size for the selected 
unit of pressure. 
Action: change unit or modify the 
minimum and maximum pressure 
limits if these and the test pressure 
can be used with this unit.  
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>Press. UNIT: PSI 
 MAX. FILL:   PPPP 
 MIN. FILL:    0.15 
The reference master jet drift is 
higher than the instruction in 
percent. 
Action: check the master jet and 
realise a "drift acquit" special cycle.
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