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SG-60 High Intensity Strobe System 4-5 Manual EPM-00000019 Rev A
Is DB DS3
green LED
steady off?
Flashhead stuck in
Day Mode
Yes
No
Locate and repair
break.
Are Comm
wires correctly
wired in FH
TB1?
1
Yes
Are Comm
wires correctly
wired in MC
TB5?
2
Remove all power
from FH and MC.
Perform Comm Wiring
tests (Installation
Check
3
, and A-B
Continuity Check.
4
)
Did wires pass
isolation and
continuity
checks?
No
No
No
Yes
Replace Digital
Board.
Yes
Correct wiring.
Correct wiring.
Will FH
operate in
other modes
with manual
selection?
No
Check if problem is resolved
after each step taken.
1. Replace Digital Board.
2. Check for loose connections
to coil of FH K2 Relay
3. Replace FH K2 relay.
Yes
Check for loose mounting nuts
on FH switch assembly. Make
sure FH Remote/Local
interlock is pressed when door
latched.
Figure 4-3: General Troubleshooting – Flashhead Stuck in Day Mode
1
Per Section 2.4.2
2
Per Section 2.4.5
3
Per Section 2.5.4
4
Per page 4-2