10.10
Inadequate purge air supply
CAUTION
A faulty purge air supply can damage the measuring system
The measuring system can no longer be protected from contaminated sample gas and
is damaged.
b
If there are signs of a faulty purge air supply, immediately perform the measures
listed below.
Indications of inadequate purge air supply
•
Unusual noise from the area of the purge air unit.
•
On systems with pressure difference sensor: An appropriate error message occurs.
•
Rise in enclosure temperature.
•
Unusually rapid contamination of the window of the measuring device.
Check the purge air unit
b
Remove the purge air hose on the SR-unit: A strong air flow must be noticeable.
b
Reinstall the purge air hose immediately.
Measures if purge air supply is inadequate
•
If the purge air unit is not immediately functional:
w
Remove the SR-unit from the gas duct.
•
For a short malfunction:
w
Swiveling out the SR-unit is sufficient.
•
Immediately restore correct operation of the purge air unit.
•
Replace provisionally by a different purge air supply with at least the same purge
air throughput.
Information for fast correction of faults
•
Air filter of purge air unit clogged?
•
Purge air hose slipped off or broken?
•
Power supply of purge air unit failed?
10.11
Malfunctions on the connection unit
A green LED lights on each power supply unit in the connection unit. If no LED lights:
b
Check the power supply of the connection unit.
If the power supply to the connection unit exists, contact SICK Customer Service.
TROUBLESHOOTING
10
8015558/YYJ8/V1.7/2016-07 | SICK
O P E R A T I N G I N S T R U C T I O N S | GM32-Ex
95
Subject to change without notice