6.10.4.4 LED codes
6.10.4.4.1 LED color codes
The color codes of the LEDs are as follows:
Tab 6-55 LED color codes
Color LED
Green, stays on Indicates a correct function
Green, flashes Gives a status indication
Yellow, stays on Indicates a correct in-/out-signal
Yellow, flashes Gives a status indication
Red, stays on Indicates a failure or short circuit on the related line
Red, flashes Gives an alarm indication
6.10.4.4.2 Red fail LED and two-digit LED display
The red fail LED shows a failure on the related FCM-20. It also shows if the failure status is
active or inactive.
Tab 6-56 Red fail LED and two-digit LED display
Failure status Fail LED Two-digit LED display
Active Flashes Flashes
Not active (failure recovery) Stays on Flashes
No failure Off None
6.10.4.5 Function
The failure IDs give data about the failures.
Not all failure ID signals are transmitted to the alarm and monitoring system.
The failure IDs shown on the two-digit LED display are also shown on the flexView.
The fail LED flashes at the same time as the two-digit LED display.
Failure IDs that are higher than 99 are shown as a two-digit display with one or two dots for the
first digit, eg failure ID 125 is shown as (2.5) and failure ID 258 is shown as (5.8.).
X92DF
AA00-0000-00AAB-410C-A
Operation Manual Failures and defects of WECS-9520 components
Winterthur Gas & Diesel Ltd.
- 422 - Issue 002 2020-08
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