Table of Contents
Advertisement
4. Now the hood is in its service position. Any service to
the fire system and interior components can be done
at this time.
5. To put the hood back into operation position, lift the
hood back up, and one at a time re-hook the clamps
and pull the clamps tight until they lock. Make sure
the safety bolt lever is located inside the notch in the
hood mounting bracket.
Fire System Diagnostics
Pressing, then releasing the "TEST" button on the fire
system control board will start a diagnostic test, putting
the system into "test mode". This is a way to verify
that the entire system is working properly and the fuel
shutoff function is working without discharging the fire
suppression wet chemical.
NOTE
The same tests that are performed after pressing and
releasing the "RESET" button are performed when
pressing and releasing the "TEST" button.
Upon entering test mode and failing any particular
test, a sequence of audible chirps will sound which
represent a failure code (as well as a quick flash of the
red indicator on the fire suppression control board).
If multiple tests fail then you will hear multiple series
of beeps with a pause in between each to identify
multiple failure codes. Upon failing any part of the test,
the control board will revert to a slowly flashing red
indicator. If all six tests pass, the unit will enter a shut
off sequence. (See next section, Fire System Shut Off
Sequence).
Audible Diagnostic Failure Codes
Number of
Corresponding Fire System Component Issue
Chirps
1
Sensor 1 / Remote Pull
2
Sensor 2
3
Battery Voltage Low
4
Solenoid
5
Low Pressure
6
Pull-Pin
Fire System Shut Off Sequence
A shut off sequence will cause:
1. 10 second audible alarm
2. Disconnect fuel from range
3. Following the 10 second audible alarm, the unit will
issue one chirp every minute to alert the owner that
the fire suppression system needs to be serviced.
Six items can cause a shut off sequence:
1. Low battery indication has persisted for at least 4.5
hours
2. A test sequence was executed successfully (see
Arming the System, page 16)
3. The pull-pin was removed from its socket while in fire
detect mode
4. An open circuit was detected on one of the fire
suppression temperature sensors while in fire detect
mode
5. An open circuit was detected on the solenoid while in
fire detect mode
6. Low pressure on tank cylinder detected while in fire
detect mode
Fire System Detect Mode
Upon pressing the "RESET" button on the fire
suppression control board (and passing successfully
passing all 6 diagnostic tests), the fire suppression
control board will display a solid green indicator for two
seconds, then the unit will enter into fire detect mode.
NOTE
Powering the fire suppression control board by
inserting the battery OR pressing and releasing the
"RESET" button will cause the same action.
During fire detect mode the fire suppression control
board will silently run all six diagnostic tests. If at any
time one of these test fails (with the exception of a
low battery), the fire suppression control board will
begin a shut off sequence (see above, "Fire System
Shut Off Sequence). Upon a low battery, there will be
a short chirp to indicate that the battery needs to be
replaced, which occurs every minute. After 4.5 hours of
a low battery indication, the unit will enter the shut off
sequence.
During fire-detect mode, the main unit monitors two
sensors to detect high temperature indicating a fire.
If a fire is indicated, the fire system control board will
issue a fire alarm sequence (see page 22, "Fire Alarm
Sequence").
Fire Ready Hood
21
Advertisement
Table of Contents
