Troubleshooting - Agilent Technologies TriScroll 800 Installation And Operation Manual

Troubleshooting

Table 9 contains a list of possible problems, their probable causes, and corrective actions.
Problem
Pump won't start
Poor ultimate pressure
Pump makes hammering noise
Table 9 Troubleshooting Chart
Probable Cause
P1 interlock missing
TPS cable unplugged
Wrong input voltage
Circuit breaker open
Motor thermal protector open
Main fuse open
Wiring loose or cut
Excessive voltage drop
Defective motor
System leak
Water in pump
Gas ballast plugged
Solvent in pump
Seals worn out
Poor conductance to pump
Pump overheated
Debris in pump
Corrective Action
Plug in connector (provided).
Plug in TPS cable
Plug inverter into 200-240 VAC 50/60 Hz.
Close breaker.
Identify cause of overload.
Allow motor to cool.
Identify cause of overload.
Inspect and replace fuse (Type H, 10 A,
250 V (Littlefuse 0216010.HxP or
equivalent)).
Repair or replace.
Check size and length of power supply
cable.
Inspect. Contact Agilent.
Locate and repair leak.
Flush pump with air or dry nitrogen.
Replace breather vent. Contact Agilent.
Flush pump with air or dry nitrogen.
Install trap or filter.
Replace tip seals. (Table 10 and Table 11
on page 38 list maintenance kits and
service options.)
Replumb with shorter and/or larger
diameter tubing.
Check ambient temperature.
Check ventilation to pump.
Check inlet screen.
Flush pump.
Disassemble pump and inspect. (Table 10
and Table 11 on page 38 list maintenance
kits and service options.)
37