00229
Carrier Transicold
Info
Service Soon PM 4 Due
Notification that the fourth level of preventive maintenance (PM 4) is required.
Possible causes
- PM4 hour counter reached
- Scheduled deep overhaul
- Long-duration interval reached
Recommended actions
- Execute PM4 major maintenance protocol
- Clean coils and check for leaks
- Reset PM4 maintenance notice
- Evaluate overall unit performance
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