Circor ALLWEILER NI Series User Manual

Troubleshooting
Fault number
12 34
5
6
7
8
Cause
Remedy
–– –– ––––
Lubricant: excessive, insufficient or
unsuitable
Reduce, top up or replace the lubricant.
–– –– ––
X
–
Connecting bolts not tightened properly
Tighten the connecting bolts.
–– –– ––
X
–
Mechanical seal worn
Replace the mechanical seal.
–– –– ––
X
–
Housing seal defective
Replace the housing seal.
–– –– ––
X
–
Shaft sleeve is infiltrated
Replace the shaft sleeve and/or O-ring.
–– –– –
XXXPumpdistorted
Check the pipe connections and pump
attachment.
–
X
–
X
–
X
–
X Motor running on 2 phases
Check the fuse and replace it if
necessary.
Check the cable connections and
insulation.
Tab. 12 Troubleshooting list
550 113 – 146-900/E BA-2021.06 en-US NI series 29

Circor ALLWEILER NI Series Specifications

General

Brand	Circor
Model	ALLWEILER NI Series
Category	Water Pump
Language	English