LED indicator and special function
33
20154169
GB
7.4
LED lamps: burner operating status
OPERATING STATUSES INDICATED BY LEDS DURING NORMAL OPERATION AND CHECK MODE
Tab. O
1. LEDs form a progress bar which indicates the Flame Signal
Power in order to orientate the sensors during commissioning
(LEDs “Grow” upwards, moving away from the Status at 20%
intervals of flame power.)
2. LEDs indicate the error or lock-out code for troubleshooting.
3°.LEDs change from ON to BLINKING to OFF showing the
servomotor movement control until the position-reached
feedback is received See “Problems - Causes - Remedies
signalled by LED indicators” on page 34.“.
Operation
LED
●
= ON
Fan
Open
damper
Closed
damper
Modulation
Ignition
Flame
Status
Icon
Power OFF/ON
OFF
Not ready/
Diagnostics
Green
Standby
●
Green
Servomotor
movement
(Note 3)
●
OFF
Flashing
●
●
Flashing
OFF
Green
Waiting for closing
Green
blinking
Green
OPEN
(before ignition)
●
●
Green
Minimum
(before ignition)
●
●
Green
Ignition
●
●
●
Green
PTFI
●
●
●
Green
blinking
Green
MTFI
●
●
●
Green
Active modulation
●
●
●
Green
Minimum output
position
●
●
●
Green
With flame present
●
●
●
Green
Economy mode
●
●
Green
Check during maximum
opening phase
Flashing
●
Yellow
Check during minimum
closing phase
Flashing
●
Yellow
Check during ignition
phase with pilot PTFI
Flashing
●
Note 1
●
Note 1
●
Note 1
●
Note 1
●
Note 1
Yellow
Check during ignition
phase with main fuel
valve MTFI
Flashing
●
Note 1
●
Note 1
●
Note 1
●
Note 1
●
Note 1
Yellow
Fault/lock-out
●
Note 2
●
Note 2
●
Note 2
●
Note 2
●
Note 2
●
Note 2
Red
End of the cycle
●
●
●
Green
S9740
S9741
S9742
S9743
S9744
S9745
S9746
Summary of Contents for RS 28/M
Page 2: ...Original instructions...
Page 47: ......