ABB SCK, System Manual

Page: 218 / 244

218 System Manual SCK Gas Sampling System 42/23-81 EN Rev. 4
Error
display
Plain text (not stored
in controller)
Cause Measures
Error Plung-
er Out Plunger failed to reach
front end position after
set control time
 Plunger blocked
 In connection with com-
pressed air error: insufficient
compressed-air supply
 Check central compressed-air
supply
 Check plunger for mechanical
blocking and rectify as needed
 Check compressed-air supply
to pneumatic cylinder of probe
H
Error Plung-
er In Plunger failed to reach
rear end position after
set control time
 Plunger blocked

In connection with com-
pressed air error: insufficient
compressed-air supply
 Check central compressed-air
supply
 Check plunger for mechanical
blocking and rectify as needed
 Check compressed-air supply
to pneumatic cylinder of probe
H
Error Probe
H Blocked
During
Retraction Probe movement
blocked during retrac-
tion
 Incrustation on probe tip
 Duct opening clogged up
 Retractor drive defect

Front limit switch error
 Check gas sampling probe for
incrustation
 Check and, if necessary, clean
gas sampling probe entry zone
 Check gas sampling probe
travel time, modify speed set-
ting if necessary
Error Probe
H Blocked
During
Insertion Probe movement
blocked during inser-
tion
 Incrustation on probe tip

Duct opening clogged up
 Retractor drive defect
 Shutter drive defect
 Front limit switch error
 Check shutter functioning

Check drive and limit switch of
shutter
 Check gas sampling probe for
incrustation

Check and, if necessary, clean
gas sampling probe entry zone
 Check gas sampling probe
travel time, modify speed set-
ting if necessary
Error 3x
Cleaning
Not Suc-
cessful
Probe 60 Probe cleaning failed
after 3x
 Cleaning cycle can no long-
er clean probe 60S ade-
quately
 Remove dirt sticking to the gas
inlet
 Clean the filter element
 Check compressed-air supply
and solenoid valves of probe
cleaning system
Error Probe
60 Blocked
During
Retraction Probe movement
blocked during retrac-
tion
 Incrustation on probe tip
 Duct opening clogged up
 Retractor drive defect

Rear limit switch error
 Check gas sampling probe for
incrustation
 Check rear limit switch for
proper functioning
 Check and, if necessary, clean
gas sampling probe entry zone
 Check gas sampling probe
travel time, modify speed set-
ting if necessary