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Komatsu 930E-2 - Blown Fuse in Battery Connector Assembly; Test Module Light will Not Go out; Test Module Light will Not Illuminate; Troubleshooting the Electric Detection System

Komatsu 930E-2
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TROUBLESHOOTING THE ELECTRIC DETECTION SYSTEM
TROUBLE: Green Indicator Light on Control Module Does Not Go On When Button is Depressed.
POSSIBLE CAUSES
Blown fuse in battery connector assembly
Battery connection loose
Connector between power wiring unsnapped or wire
broken
Dead battery
Bulb burned out
SUGGESTED CORRECTIVE ACTION
Look for possible short in external power wiring and
change fuse
Clean and tighten
Reconnect/install new length
Charge battery or install new one
Loosen green lens, install new bulb
TROUBLE: Test Module Light Will Not Illuminate.
POSSIBLE CAUSES
Jumper assembly not in place on end of detection zone
wiring
Connector apart on either power or detection zone
wiring
Bulb burned out
Blown fuse in battery connector assembly
Wire broken
Dead battery
Battery connection loose
SUGGESTED CORRECTIVE ACTION
Install jumper assembly
Reconnect
Loosen green lens, install new bulb
Look for possible short in external power wiring and
change fuse
Install new length
Charge battery or install new one
Clean and tighten
TROUBLE: Test Module Light Will Not Go Out
POSSIBLE CAUSES
Jumper assembly left in place on end of detection wire
Damaged section at detection wire
SUGGESTED CORRECTIVE ACTION
Remove jumper. Reinstall plugged blank connector
Replace damaged length(s) of detection wire.
TROUBLE: Detonated Squib
POSSIBLE CAUSES
Check for previous fire condition
Detection wire too close to heat source
Test jumper assembly left in place after testing
SUGGESTED CORRECTIVE ACTION
Replace length(s) of detection zone wire. Replace
squib and recharge
Check for broken points of securement, move away
from heat source and recharge
Remove jumper, reinstall plugged end of line connec-
tor and recharge
M02003 Ansul "Checkfire" Electric Detection and Actuation System M2.3-9

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