Flowserve NRG 16-38S - Manual (Page 22)

22
Malfunctions
If faults occur that are not listed above, please contact our subsidiary or agency in
your country.
Warning
The terminal strip of the NRGT 26-1 is live during operation. This presents
the danger of electric shock.
Cut off power supply before fixing or removing the housing cover.
Fault finding list for troubleshooting
The equipment fails to work
Fault: Mains voltage has not been applied.
Remedy: Apply mains voltage. Wire equipment according to wiring diagram.
Fault: The thermal fuse of the NRGT 26-1 has been activated.
Remedy: In case of a defective thermal fuse the mains voltage is not applied
across terminal . Replace thermal fuse.
Stock code 051629
The ambient temperature must not exceed 70 °C.
Fault: The printed circuit board of the NRGT 26-1 is defective.
Remedy: Replace printed circuit board. Stock code 391360
Fault: The internal joint ring of the electrode rod of the NRG 16-11 is damaged.
Remedy: Replace level electrode NRG 16-38 S / NRG 16-39 S.
The equipment does not work accurately
Fault: Incorrect setting of the measuring range.
Remedy: Adjust switch properly, see “Basic Settings”.
Fault: Dirt deposits have accumulated on the electrode rod.
Remedy: Replace level electrode NRG 16-38 S / NRG 16-29 S.
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