Heidolph Pump Heads - Manual (Page 76)

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76
TROUBLESHOOTING
Work on electric and electronic components is limited to qualified personnel.
Pump won't feed, motor running
a) SP quick: tube bed open
b) tube with deviating wall thickness installed (refer to chapter 3.1)
c) tube with deviating wall thickness tolerance installed; use genuine Heidolph tube only.
d) SP vario: wall thickness of tube not set (refer to chapter 3.6)
e) pump head (SP standard or SP vario) not properly seated on drive, coupling not in
gear
Tube creeping in peristaltic pump
a) re-adjust tube clamp (refer to chapter 3.3.)
b) use short tubes for 0.8 mm and 1.7 mm tubes for clamping (refer to chapter 3.7).
Pump drive won't run
a) wall outlet dead
b) check power cord and pump drive wiring
c) fuse blown (replace fuse in rear panel of PD 5001/5006 (use 1.25 Amps delay-type fuse)
d) power switch broken
e) control circuit or drive motor broken