BIR M Series Filter
Installation Operation Maintenance Manual
BIRM WS1 NOV 2006 \page
9.3 NO BACKWASH
Check electrical supply, fuses etc. satisfactory.
Check program.
Check timer motor is running.
Check drive motor runs, by manually initiating a backwash, and listening
for drive motor as it advances between cycles. Replace if necessary.
9.4 UNSATISFACTORY CAPACITY BETWEEN BACKWASHES
Increase frequency of backwash
Check age of media and media level
Backwash with chlorine solution to remove organic build up
Increase backwash flow
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