Agilent Technologies TPS-compact, Руководство пользователя

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Technical Information
Agilent TPS-compact User Manual 231
Troubleshooting Chart
Table 8
Problem Possible Causes Corrective Actions
TMP doesn’t reach
NORMAL
OPERATION Scroll Pump motor thermal
protector open. Allow motor to cool. Identify cause of
overload.
Vacuum system leak. Locate and repair leak.
System will not start Excessive voltage drop. Check size and length of cable.
Fuses burnt-out. Check fuses and if necessary replace.
Poor ultimate
pressure Vacuum system leak. Locate and repair leak.
Water in TPS-compact. Flush the system with air (use provided
IDP3GBKIT) or dry nitrogen.
Water vapour in TPS-compact. Flush the system with air (use provided
IDP3GBKIT) or dry nitrogen.
Install trap or filter.
Scroll Pump seals worn out. Replace tip seals.
Poor conductance to
TPS-compact. Replumb with shorter and/or larger diameter
tubing.
Hammering noise Scroll pump overheated. Check ventilation to TPS-compact. Check
ambient temperature.
Debris in Scroll pump. Flush the TPS-compact. Disassemble pump
and inspect.
Internal Scroll Pump
runs intermittently Motor thermal protector is
cycling open and closed.* Allow the scroll motor to cool. Identify the
cause of the overload.
Overtemperature Fans clogged or not spinning,
problems with turbomolecular
pump. Check if the rotor freely rotates.
* The internal Scroll Pump is equipped with an auto-reset thermal motor protector.
This protector automatically shuts down the pump when it detects an overload
condition, and automatically restarts the pump when the motor has cooled to
within an acceptable temperature range.
CAUTION
Overtemperature:
To prevent damage to the pump when the temperature exceeds 60 °C,
the sensor automatically cuts off the power supply.