7 Diagnosis HIMax System
HI 801 001 E Rev. 4.01 Page 86 of 122
7.1.7 Maintenance Indicators
The maintenance LEDs are labeled Maint.
LED Color Status Description
On
Forcing prepared, processor module in STOP, RUN
or RUN / UP STOP
Blinking1
Forcing active, processor module in RUN or
OPERATE
Force Yellow
Off Forcing inactive
On Connection to the PADT with write permission
Blinking1
At least one user program is in the RUN_FREEZE
state (single step operation)
Test Yellow
Off
No connection to the PADT with write access and
no user program in the RUN_FREEZE state
On
Download (processor module in STOP), the configu-
ration is being loaded,
A PADT write command is being processed
Blinking1
Reload procedure active or exchange of configura-
tion data between processor modules
Prog Yellow
Off
No loading procedure active and no configuration
data exchange between processor modules
Table 35: Maintenance Indicators
7.1.8 Fault Indicators
The fault LEDs are labeled Fault.
LED Color Status Description
On
System warning, only if no module fault occurred in a
HIMax system module.
Blinking1
Faults detected in a HIMax system module, e.g., hard-
ware, software, over temperature or power supply. The
module or base plate is missing or does not match the
configuration or cannot be operated as intended.
System Red
Off No module fault displayed for a HIMax system module
On
Field warning, only if no field fault occurred in a HIMax
system I/O module
Blinking1 Field faults in an I/O module of the HIMax system
Field Red
Off
No field faults displayed for an I/O module in the HI-
Max system
On
COM warning, only if no faults occurred in the external
process data communication
Blinking1 Fault in the external process data communication
Com Red
Off
No faults displayed for the external process data com-
munication
Table 36: Fault Indicators
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