Afriso EURO-INDEX RG 210 Instrukcja obsługi - Strona 18

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Troubleshooting

8.2

Maintenance activities

Replacing the mains fuse F1
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Switch on the mains voltage.
9
Troubleshooting
Repair work may only be carried out by qualified, specially trained
personnel.
Table 5: Troubleshooting
Problem
Yellow LEDs do not
respond when the
probe changes its
state.
PTC thermistor is
polluted (deposits).
18
Mains voltage is interrupted and cannot be switched on by acci-
dent.
Loosen the two housing screws.
Remove the grey upper part of the housing from the black base.
Remove the grey cover from the upper part of the housing.
Pull the printed circuit board out of the upper part of the hous-
ing.
Replace the mains fuse F1, refer to table 1, page 10.
Push the printed circuit board into the upper part of the housing.
Fit the grey cover onto the upper part of the housing.
Push the upper part of the housing onto the black base.
Screw in the two housing screws.
Possible reason
Mains voltage
interrupted.
Mains fuse de-
fective.
Wiring defective.
Probe(s) defec-
tive.
-
Remedy
Check mains voltage.
Replace the mains
fuse, refer to chap-
ter 8.2, page 18.
Check wiring.
Check probe(s).
Replace probe(s).
RG 210