73
The following sections detail and contain information to assist with the troubleshooting of
instrument functionality if required. If an issue is non-resolvable based on the information
below, please contact the Trolex product support team.
The Air XD operates a protective thermal cut-out sequence when the temperature inside the
instrument exceeds the maximum operating temperature specification detailed in section 7. This
protective measure is in place to maintain the lifespan and operating functionality of the optical
sensor assembly when the Air XD is installed in environments with high ambient temperatures.
15.1 High temperature operating
15.2 Low temperature start-up
The following codes relate to on-screen warnings that the Air XD will display when a fault is
encountered during normal operations.
If the internal temperature of the instrument is suspected to be below -10°C, for example,
if it has been left powered off for a period of time in a very cold environment, damage to
the optical assembly may occur when power is applied. Allow the instrument to reach safe
operating temperature before applying power.
15.3 Fault codes
Code
Fault name
Fault description Fault check
0x0009 Failed to load settings Failed to load and apply Re-apply custom settings
user-configured settings. and check if unit saves and
As standard, the Air XD restores files.
default settings will be
applied. Contact Trolex or an
approved
distributor
if
this
fails.
0x0301 No sensor comms Communications with Check ‘D’ type connector
the particulate sensor to sensor housing and
assembly has been lost. power cycle unit.
0x0304 Fan current too high Fan may have
Check instrument is
malfunctioned. operating within rated
temperature range.
0x0305 No fan current
Fan may have
Check instrument is
malfunctioned. operating within rated
temperature range.
0x0306 Sensor laser current Particulate sensor may Check instrument is
high
have failed or is operating operating within rated
at excessive temperatures. temperature range.
15. TROUBLESHOOTING
Air XD_User manual_P5628.1600_Rev D
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