Alarms Management
Chapter 4
AA83766
User Manual - Haas Mini Mill
1
4. ALARMS MANAGEMENT
If an alarm is detected by the system, a message appears on the top of the screen displaying the alarm
number and a brief description.
Some of those alarms disappear automatically as soon as the root cause has disappeared, some other alarms
must be aknowledged by pressing the
RESET
button.
Action After an Alarm
When an alarm shows up, the first thing to do is to read the descrition message. Following this message,
correct the root cause of the alarm, then acknowledge the alarm. If it has no effect, check out blow the
possible action following each alarm.
[RTh1]
In case of abnormal alarm, (message not corresponding to the root cause of the alarm for example), note the
conditions of use when this allarm occurs and whether it is reproducible, then report out to the Thermofisher
service.
Alarms Classification
When a default is detected, the PLC generate an alarm. Those alarms may be of different level of importance
following the type of the root cause. Those different levels of importance are called "alarm category". Each
category of alarm generate several specific reactions of the system.The program manage the following
categories:
Category Type of alarm
Reactions
Example of alarm
1
External Emergency stop
(hardware power off)
♦
Interruptt any motions
♦
Interrupt programs
♦
Prevent any new cycle
♦
Emergnecy stop
2
Internal Emergency stop
(software power off)
♦
switch power off
♦
Interruptt any motions
♦
Interrupt programs
♦
Prevent any new cycle
♦
Amplifier default
3
Interruption of cycle
♦
Interruptt any motions
♦
Interrupt programs
♦
Prevent any new cycle
♦
Défault of transmission
RS232 PLC < -- > Haas
4
Stop at the end of cycle
then emergnecy stop
♦
Stop at the end of cycle
♦
Switch power off
5
Reserve
6
Reserve
7
Reserve
8
Warning
♦
Display of message
♦
Opening of the door
impossible
Summary of Contents for Haas Mini Mill
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Page 31: ...3 DIALOGUE BOXES DESCRIPTION ...
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