MAKEUP FAULT Siemens — Make-up Water Failure
At a glance
- Severity
- WARNING THEN STOP
- Domain
- SUPERVISION_SYSTEM
- Reference standard
- EN 50600-3-1
What it means
Circuit make-up water fails (softener, pressure, booster sets): the cooling plant goes into distress and stops on protection, with the room following.
Probable causes
- Softener with exhausted resins or out of salt
- Pressurization set failed or empty pressure tank
- Make-up valve stuck or wrongly commanded
- Level alarms not configured
Where to start
Check circuit pressure and level, softener status (salt, resins) and the pressurization set.
Full guided diagnosis in the app
The diagnostic tree for this fault has 3 guided steps with measurements, checks and resolutions. You'll find it in DataCIQ, one of the five IndexOS apps: free, works offline.
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The same fault on other brands
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