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SECTION 9 – FONCTIONNEMENT D'AERTRIM
Si le niveau d'O2 n'est pas dans la plage cible, l'un des messages répertoriés ci-dessous s'affichera
dans le paramètre État :
Erreurs d'interruption de fonctionnement d'O
Message d'erreur
Cause
Idle
O2 Trim is not active
O2 Trim is waiting for to initiate the
O
Wait
2
process
Hunt
O2 Trim is looking for target
O2 Trim found the target, waiting for
WaitLock
system to stabilize
Locked
O2 Trim is ready to start the process
Adjust
O2 trim is correcting the system
Settle
System is settling after the correction
Done
O2 Trim is successfully completed
BV Hi Err
O
Trim operation exceeds blower voltage
2
BV Lo Err
limits
Max Iter
O
Trim Operation reached maximum
2
iteration. Wait and try again
Outlet temp is outside of temperature
Outlet Out of Rng
range
FR Out of Rng
Fire Rate is not within track range during
trim operation
O
Trim in SP limit
Unit is in setpoint limiting
2
•
Trim
2
Solutions possibles
None-Normal Operation
None-Normal Operation
None-Normal Operation
None-Normal Operation
None-Normal Operation
None-Normal Operation
None-Normal Operation
None-Normal Operation
Check air filter, gas regulator, combustion
calibration
Check sensor calibration; it may need to be
replaced
Check sensor calibration for inaccuracies
Increase gain or iteration attempts
None-Normal Operation
None – Steady State has not been achieved
None – System is near the high temp limit.
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