Xylem WQ-FDO OPTICAL DISSOLVED OXYGEN TRANSMITTER - Manual (Page 20)

Global Water
800-876-1172
• globalw.com
VIII. Trouble Shooting
There are no user serviceable parts inside the WQ-FDO sensor, only the
cap and membrane assembly can is replaceable
a. Check all connections
b. Inspect the cable for damage
c. Check that the supply voltage is within specifications
d. Make sure the dissolved oxygen and temperature of the solution is within the
measurement ranges of the sensor
e. Clean the sensor according to the guidelines described in the Cleaning and
Maintenance section
f. Ensure that the minimum immersion depth is maintained.
Technical Support
a. Call us for technical support: 800-876-1172 or (979) 690-5560
Fax: (979) 690-0440 or Email: [email protected].
b. In the event that the equipment needs to be returned to the factory for any
reason, please call to obtain a RMA # (Return Material Authorization). Do not
return items without a RMA # displayed on the outside of the package.
Before returning, clean and decontaminate the sensor if necessary.
Include a written statement describing the problems.
Send the package with shipping prepaid to Global Water’s factory address.
Insure the shipment, as the warranty does not cover damage incurred during
transit.
c. When calling for tech support, please have as much of the following
information as possible;
1. Model #.
2. Unit serial number.
3. P.O.# the equipment was purchased on.
4. Global Water’s sales number or the invoice number.
5. Repair instructions and/or specific problems relating to the product.