D1
+
PERSONAL DUST MONITOR
40
XD1+_User manual_P5650.1600_Rev A
15. MAINTENANCE
The maintenance of the D1
+
must only be carried out by competent personnel. All
maintenance and repair must be considered with reference to the local safety regulations and
authorities.
The D1
+
contains no user-serviceable components and the limits of user maintenance are
outlined in the following information.
15.1 Visual checks
Periodic visual checks should be carried out to assess if there are any issues or faults arising
with the D1
+
device. Periodically, unsure devices are checked for the following:
1. Any external damage to the device. Plastic parts should not be cracked or broken which
could aect the IP rating of the product.
2. Any obstruction to the particulate inlet / outlet.
3. Any damage or wear to the main product membrane, LED icons and power/function switch.
4. Any damage to the USB data / charge port.
5. Any damage to USB cable that is periodically connected to the D1
+
device.
6. Any damage to mounting hardware, clips, or fixings.
7. Labels on the product are still in place and are not peeling or discolouring.
15.2 Device cleaning
As part of the routine maintenance schedule and during use in high dust loaded
environments, it is recommended that the D1
+
sensor is cleaned from time to time following
the steps below:
1. Wipe down the D1
+
inlet surfaces with a damp cloth to remove any external dust and
debris.
2. Using canned compressed clean air, spray the device inlet for 10 to 15 seconds to clean the
dust path.
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