Checking Flows (Optical Control) - Honeywell enCore Series Manual

10

10.3.6 Checking flows (optical control)

Prerequisite(s)
Maintenance work is performed on the device.
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Pressure errors are displayed.
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Steps
1. Read the flow rates at the floats.
2. Check if float is in the range between the lower and upper markings
3. Check if a process gas pressure alarm pending.
4. Note result in the maintenance report or similar documents.
Further procedure
Readjust flow rates. If this is not possible with valid inlet pressure, check if cal-
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ibration gas pressure alarm is issued during calibration. If no calibration gas
pressure alarm is issued, the particle filter at the inlet must be replaced.
If an alarm is issued in either case, the fault is in the gas management or
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sensor system. Contact Honeywell for a service call.
As long as the settings are not in a valid range, disconnect the gas and power
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supply and do not use the device until it is repaired.
GasLab Q2
Maintenance, cleaning and repair
User Manual (N ) 268 of 315