RKI Instruments GD-K71D - Manual (Page 39)

PT2E-1052
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・Due to the clog of dust filter, the pump can not suck.
Replace the dust filter with new one.
・The pipe at gas-inlet side or gas-outlet side is broken or clogged.
In this case, repair the defective part.
(5) Slow Response
<Cause and Treatment>
・Is the dust filter clogged ?
Replace the dust filter.
・Is the pipe at gas inlet side or gas outlet side broken or clogged ?
Repair or replace defective part.
・Check whether detector unit is firmly connected.
(5) Fuse disconnection
<Action>
・The detector does not operate at all.
<Cause and Treatment>
・The trouble of detector or trouble of external power source can be considered. Search
this cause and after taking its measures, replace the fuse with the designated one.
* NOTE
The rating of this fuse for this detector is 125V 2A