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Troubleshooting
ON SYSTEM SERIAL NO. > 103000
Sensor Error Code
1
64
Other codes
Table 12-2: Alarm Handling Table – G6111 PAH Sensor
During operation, the Water Monitoring System will be exposed for fouling of
components. In some cases, this can lead to inaccurate PAH readings. Depending on the
media, the need for periodical cleaning will vary. It is important to follow the maintenance
interval and guides found in section 8 in this manual.
In cases where severe fouling is suspected, it can be necessary to remove the measuring
chamber from its position by disconnection hoses and bolts in order to thoroughly clean &
flush the chamber. Please refer to cleaning guide below. After cleaning, the PAH chamber
can be remounted.
Cleaning guide for G6110 PAH measuring chamber
1. Remove the PAH sensor
2. Dismount the PAH chamber by following maintenance instruction MI6100-0017 in
section 14 in this operation manual.
3. Soak the entire chamber including the PAH chamber bushing and fittings in a solution
of warm water and solvent.
4. Let the solution work for 10 minutes
5. Use a brush or rag to remove fouling from the PAH chamber & PAH chamber bushing.
6. Flush with clean water
7. Inspect O-rings
8. Use a new rag to dry and remount the PAH chamber & PAH chamber bushing.
9. Pay attention when connecting the hoses, to avoid leaks.
10. Mount the PAH sensor and secure it with the locking plate and locking pins.
11. Turn all valves to RUN and observe for leaks.
In severe cases where the residue is impossible to remove from the PAH chamber, a new
chamber is needed to return the reading to an accepted level. This can be done by following
the maintenance instruction MI6100-0017 found in section 14 in this operation manual.
Error Description
End of lifetime or hardware
error
Calibration Error. Invalid
calibration
-
Solution
Replace sensor. Please
contact service department
Recalibrate the sensor.
Please contact service
department
Page 68 of 110
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