Rosemount 2240S, Reference Manual

Page: 65 / 100

Reference Manual
300550EN, Rev AA
December 2010
6-7
Rosemount 2240S
Section 6. Service and Troubleshooting
6.2.6 Device Error LED
Signals
Inside the transmitter housing, the Rosemount 2240S has a red Light Emitting
Diode (LED) that presents the current transmitter status. The LED uses
different blinking sequences for presentation of various error types.
Figure 6-3. Error signals
In normal operation, the LED flashes once every other second. When an error
occurs, the LED flashes a sequence that corresponds to the device error code
number (see Table 6-1) followed by a four second pause. The code sequence
is continuously repeated.
The following error codes can be presented by the LED:
Table 6-1. Status LED error
codes
See “Device Errors” on page 6-18 for more information about the different
error messages.
An example of a flash sequence is illustrated in Figure 6-4 on page 6-8.
Status LED (red)
LED Status Code Error Type
0 RAM error
1 FPROM error
2 HREG error
3 SW error
4 Other memory error
9 Internal temperature error
11 Measurement error
12 Configuration error