Fireco Deafgard Operating Manual page 19

Error Messages continued
ER04 – Audio Error
Whenever the Deafgard performs a self test routine (once every 24Hrs, or on
demand) the operation of the buzzer and audio circuit is checked. The
buzzer is turned on and the output from the audio detection circuits are
checked. If any values are outside of the range expected an Audio Error
code is indicated.
Resolution: Follow ER01 Resolution however, the Pillow Pad must be
disconnected from the unit and then replaced BEFORE the batteries
are re-inserted
ER08 – Flash Error
Whenever the Deafgard performs a self test routine (once every 24Hrs, or on
demand) the operation of the buzzer and audio circuit is checked. The
strobe circuit is checked. The strobe is turned on and the battery voltage is
checked. If it is determined that the strobe is not drawing enough current,
or it is drawing too much current a Flash Error code will be displayed.
Resolution: Follow ER01 Resolution
ER10 – Comms Error
Information passed between the LCD board and the main processor board
regularly and also whenever any buttons are pressed, or the status changes.
If a problem is detected with the communications between the two boards
a Comms Error code is displayed.
Resolution: Follow ER01 Resolution
ER20 – Battery Pack Flat
This may be shown on the LCD as 'BATT'. Whenever the Deafgard performs
a self test routine (once every 24Hrs, or on demand) the battery pack volt-
ages are checked. If the either battery pack voltage drops to or below 1.87V
it is deemed to be flat and the error code will be
displayed. If the battery is not flat, but is low, the normal low battery
indication will be visible on the LCD. Deafgard is a dual battery supply
product and uses each set of batteries equally, which will give the Deafgard
one year minimum battery life.
Resolution: Replace both battery packs and with new "C" size batteries.
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