SECTION 9 – TROUBLESHOOTING
2014-APR-30 REV. 0 PAGE 9-3
CHECKFIRE 110
Detection and Actuation System
TABLE 9-3: DETECTION CIRCUIT FAULT (Continued)
Isolate Mode Condition
Detection Circuit Fault LED and Sounder pulsing quickly
2 x 30 seconds indicate CHECKFIRE 110 Control Module is
in ISOLATE MODE.
Placing the control module in Isolate Mode minimizes occur-
rence of a false discharge during service or maintenance
procedures on the protected vehicle.
CAUTION
!
When control module is in Isolate Mode, the Release Circuit
cannot be initiated by an automatic detection circuit input.
In the event of fire, manual actuation will bypass Isolate Mode
for immediate release. To operate manually:
• Press “PUSH to Activate/ Alarm When Lit” button
Or
• Pull ring pin and operate RED Strike button on an EMA or a
pneumatic manual actuator
Note: If a fault or alarm condition occurs while in Isolate
Mode the condition will be displayed and the module will
remain in Isolate Mode.
CAUTION
If an Alarm condition has occurred in Isolate Mode resetting
the control module results in an immediate start of the Time
Delay leading to a Release.
Return Control Module to normal: Press and hold the
“DELAY/Reset/Silence” button for 3 seconds; Power LED and
Sounder quickly pulse 3 or 5 times, then Power LED remains
GREEN steady-on.
009180b
DETECTION
CIRCUIT FAULT –
ISOLATION MODE
PULSING QUICKLY
2 X 30 SECONDS
!
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