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11. Fault finding
12. Maintenance
The device is maintenance-free. The device must
only be repaired in the factory and by authorised
personnel.
12.1 Replacing mains fuses (wall housing)
•
Mains fuse SI1:
– Backup fuse for floating contacts
– 315 mA slow-blow fuse
– order No. 96726013.
•
Mains fuse SI2:
– Backup fuse for measuring amplifier
– 4 A slow-blow fuse
– order No. 96726014.
1. Switch off the mains voltage.
2. Loosen the screws of the junction box cover.
3. Open the junction box.
4. Replace the blown fuse.
5. Close the junction box.
6. Tighten the screws of the cover.
7. Switch on the mains voltage.
13. Spare parts
14. Disposal
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
Fault
Cause
Remedy
1.
No display after startup.
a)
No supply voltage.
Connect supply voltage.
b)
Mains fuse is blown.
Replace mains fuse.
2.
Display indicates 0.
a)
Short-circuit in the cable between
the measuring amplifier and
controller.
b)
Moisture in the connectors.
Check connection cable and
eliminate short-circuit.
Remove the moisture.
3.
Display indicates the full-scale
value.
a)
Open-circuit in the cable between
the measuring amplifier and
controller.
Check connection cable and
make connection.
4.
Device cannot be set.
a)
Incorrect code set (the device is
protected against adjustment).
Enter code 086.
5.
Faulty control.
a)
Device is incorrectly
parameterised.
Check settings and match to
local conditions.
Reset analyser to factory
settings.
Warning
Switch off mains voltage before
opening the housing!
Caution
Do not damage the gasket! The gasket
must fit exactly!
Product number
Component
96726013
315 mA slow-blow fuse
96726014
4 A slow-blow fuse
