Munsch NPC Series - Tab. 13 Troubleshooting List

Disturbance recovery
Fault number
12 34
5
6
7
89
Cause
Remedy
–––– ––
X
––
Lubricant: too much, too little or unsuitable
Reduce, top up or replace lubricant.
–––– –––
X
–
Connecting screw or bolts not tightened
correctly
Tighten connecting screws and bolts.
–––– –––
X
–
Stationary seal ring worn
Replace stationary seal ring.
–––– –––
X
–
Casing seal defective
Replace casing seal.
–––– –––
X
–
Shaft sleeve is infiltrated
Replace shaft sleeve and/or O-rings.
–– –– –
XXXXPumpdistorted
Check pipe connections and pump
fixation.
Check coupling alignment.
Check support foot fixation.
–– –– –
XX
––
Coupling not properly aligned
Align coupling.
–– –– –
X
–––
Coupling packets worn
Replace coupling packets and realign.
–
X
–
X
–
X
––
X Motor running on 2 phases
Check fuse and replace it if necessary.
Check cable connections and
insulation.
Tab. 13 Troubleshooting list
EN – 02 BA-2005.07 NPC series 33