![ABB ProKiln GAC400 Operating Instruction Download Page 78](http://html1.mh-extra.com/html/abb/prokiln-gac400/prokiln-gac400_operating-instruction_4693066078.webp)
78
ProKiln GAC400
PROBE GAS SAMPLING SYSTEM | OI/GAC400-EN REV. A
… 10 Diagnosis / error messages
… HMI error displays
Alarm History and Active Alarms
The HMI also provides the possibility to show a list of active
alarms and past (historical) alarms.
To access the active alarms list, press the push button Alarm
List. By pushing the Alarm Reset button (see below example), it
is possible to acknowledge and clear the alarms which are not
active at the moment.
To access the historical alarm menu, press the push button
Alarm History. Here it is possible to see all past alarms (not
active, already acknowledged) as well as current active alarms.
Red: Alarm active, not acknowledged
Black: Alarm active, acknowledged
Purple: Alarm not active, acknowledged
Handling error messages
Requirements
In the event of an Alarm, the probe is automatically retracted out
of the kiln until the probe reaches its safe end position S0. To
make sure that it really has reached its end position and that no
subsequent probe movement can be expected, wait for the
warning lamps on the retractor terminal box to turn off before
performing any corrective action.
Instructions
Proceed as follows to handle any errors:
1. Operation/Service Mode -50S15 switch must be is in the
Service Mode
2. Switch system to manual mode on the HMI (if this has not
already been done).
Path: Home
►
Manual
3. Retract gas sampling probe out of the kiln.
Path: Menu
►
Probe Position
►
GO S0
WARNING!
WARNING! The probe moves out of the kiln. Do
not stand in the area of travel of the probe or probe buggy
until the probe has reached its end position.
4. When working on the retractor and gas sampling probe,
additionally actuate the EMERGENCY-STOP -15S7 or -150S3
switch for reasons of safety and turn the Safety switch -
101S2 at the probe rear cabinet to OFF position, to prevent
any movement of the probe. This switch can also be secured
with a padlock. Additionally, secure that the flange shutter
remains closed.
5. Take required corrective actions to fix the existing errors.
Depending on the requirement, please refer to correct
section of this manual or contact ABB Service in case of
doubts.
DANGER!
Fixing errors requires special training and involves
working on the open and powered-on probe gas sampling
system. Therefore, this may only be carried out by qualified
and specially trained personnel