Flashing Sequences - Nortroll LineTroll 110Tmr User Manual

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10. FLASHING SEQUENCES

Transient fault:
5s
GREEN
Comments:
 On transient fault, only the green LED will flash until timeout after 24h.
 The indicator is ready for a new fault within this 24 hour period.
 The red LED's will NOT flash on transient fault.
Permanent fault:
5s
GREEN
RED
70s
Comments:
 The Permanent Fault indication (red LEDs) is delayed 70 sec to verify a permanent
fault.
 Both red and green LED's will flash on permanent faults until reset (timer, automatic
on energizing of line or manual by use reset-tool).
Flashing frequency for both red & green LEDs is 1/3 Hz the first 12 hours and thereafter
1/10 Hz of the remaining time.
12h
f=1/5 Hz
24h
12h
f=1/3 Hz
LineTro110Tµr User Guide
f=1/10 Hz
f=1/10 Hz
timer- or automatic reset
June 2011
Page 15 of 16

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