4-1.
Periodic Maintenance
Inspect and replace parts regularly to maximize and maintain the performance of the unit.
4-1-1.
Digital Hours Meter
The elapsed operation time of the unit is displayed. Use this digital hours meter as a guide to periodic check/replacement.
For displaying the digital hours meter, contact your local Sony Sales Office/Service Center.
4-1-2.
Periodic Replacement Parts
This table does not describe the guarantee period of part.
The replacement period of each part depends on the environment and condition.
Part Name
Part No.
DC fan (60
1-787-268-21
SQUARE)
Lithium Battery
1-528-174-73
(CR2032 TYPE)
PMW-PZ1
Section 4
Periodic Maintenance and Inspection
Replacement Cycle
Current-carrying hours (OP-
ERATION HOURS)
The replacement cycle first
time is elapsed years from
the shipment.
Check/Replacement Cy-
Reference
cle
About 5 years
"5-10. DC Fan
(60 Square)"
About 5 years
"5-6. Lithium
Battery"
4-1