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Brooks – Brooks Instrument 5851EM User Manual

Page 43

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4-5

Brooks

®

Models 5965, 5851EM

Section 4 Maintenance

& Troubleshooting

Installation and Operation Manual

X-TMF-5965-5851EM-MFC-eng
Part Number: 541B122AAG
September, 2009

C. Sensor Troubleshooting

lf it is believed the sensor coils are either open or shorted, troubleshoot
using Table 4-2. If any of the steps do not produce expected results, the
sensor assembly is defective. Return to Brooks lnstrument for sensor
replacement.

Note:Do not attempt to disassemble the sensor.

D. Cleaning Procedures

No routine external cleaning is required for Brooks thermal mass flow
controller. Should the Models 5965 or 585lEM Mass Flow Controller
require cleaning due to deposition, return the device to
Brooks Instrument for servicing by trained technicians.