Hitachi EH-RMP2 Applications Manual page 16

Chapter 2 Specifications
 Description of LED display
LED
name
STATUS
PROFIBUS EH-RMP2
RDY RUN ERR
STATUS REM
!
CAUTION
In establishing all slave units, Error status LED is lighting for a moment but it is no problem.
LED
Indication
Hardware status
RDY
(Green / Red)
System status
(Green / Red)
Network status
RUN
(Green)
Error status
ERR
(Red)
Operating mode
REM
(Green)
Display EH-RMP2 hardware status.
State
Off
Flash in green or red
Lit in red
Lit in green
Display the EH-RMP2 system status.
State
Off
Flash in red
Lit in red
Fifth-flash in green
Forth-flash in green
Triple-flash in green
Double-flash in green
Single-flash in green
Lit in green
Display PROFIBUS network status.
State
Off
Blinking
On
Display PROFIBUS error status.
State
Off
Blinking
On
No use. It is always off.
2 – 4
Details
Details
Hardware error
Power supply error
Initialization
Hardware error
No error
Details
Power supply error
Internal error
WDT error
Side DIP switch setting error
Side DIP switch setting error
Link parameter error
Configuration data error
CPU module error
Initialization
No error
Details
No communication established
Under communication establishment
Communication established
Details
No error
Slave units at least one are not
established.
All slave units are not established