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920011-649 Operator Manual Troubleshooting
Alarm sounds, and display shows:
MAINTENANCE DUE
alternating with:
MAINTENANCE 04
SEE CHART
Printout message:
HH:MM:SS XM MM-DD-YY
---------------------------------------
= MAINTENANCE 04 =
REPLACE 0.2 µm FILTER
1. 0.2 μm bacterial-retentive filter cartridge must be changed.
2. Replace filter cartridge (refer to S
ECTION 6.10.2 for
procedure).
** 90 days (default) determined by supervisor and set in
Supervisor mode by service technician (refer to S
ECTION 5.2,
S
UPERVISOR MODE).
MAINTENANCE MESSAGE POSSIBLE CAUSE AND CORRECTION