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5 Maintenance
5.5
Pump
Note:
The descriptions in this section refer only to pump
devices.
The integrated pump in pump devices accelerates the purging
of the device with fresh air. The device pump has a capacity of
approximately 10 l/h.
5.5.1
Function control of pump
The pump function in pump devices is tested by a simple leak
tightness check:
z
Switch on the device in fresh air.
z
Make sure the pump is switched on.
z
Seal off the sensor head for approximately 10 seconds, by
holding the test cap closed, for example.
If the pump is functioning pro-
perly, a corresponding error
message will be displayed.
Press any key to acknowledge the error message.
If the error message does not appear, the pump may be faulty.
Have the device tested by SEWERIN Service.