version 4.7.2 ā July 10th, 2022 Firmware version V2.1.7 and higher
EXXFIRE Installation and Service Manual 80
If a system is turned off before completion of the Commissioning cycle it will automatically start a
new Commissioning cycle when it is switched on again.
If the flow rate gets too low during the Commissioning cycle the system will generate a Fault
condition and show fault code 99 (see section 7.1 and table 19). The Commissioning cycle will be
stopped but the system will stay fully functional, except for the flow monitoring function. See section
7.9 for further information in this situation.
If a system is switched on when it has stored data of a completed Commissioning cycle, it will use
these data after a warm-up period of 1 hour. During this first hour it will not generate flow faults if
the flow limits for the aspiration system are exceeded but will only start doing so after 1 hour of
operation.
Start a new Commissioning cycle
In certain cases, it might be desirable to re-commission a system, e.g. when the environment of the
EXXFIRE system has changed and this might influence the air flow of the aspiration system.
1. In order to start a new Commissioning cycle, follow the following procedure: Put the key
switch in the SERVICE position (see section 7.1)
2. Restart the EXXFIRE system (see Chapter 7.2) and press and hold the RESET ALARM/GAS
RELEASED button on the front of the unit during start up and continue to hold the button
down until the white Master LED goes on.
If the unit has successfully entered Commissioning mode it will show this by blinking the white
Master LED (for a system configured as Master system) or Slave LED (for a system configured as
Slave system) on the display.
Note: in case of connected systems the procedure to start a new commissioning cycle can only be
done at the Master system. The Master system will then send the commissioning command to all
connected Slave systems, so that all connected systems will perform a new commissioning cycle.
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