Vaisala HMW90 User Manual download pdf (Page 75)

Chapter 5 _______________________________________________________________ Maintenance

VAISALA ________________________________________________________________________ 73

To replace the module:

1. Disconnect the transmitter body from the mounting base.

2. With your fingers, push apart the two plastic holders that hold the

module. Pull out the module. Keep the module straight while

pulling it out, otherwise the pins may twist in the connector and

damage it.

1112-028

Figure 31 Replacing the HTM10 Module (HMW93)

3. Take the new module and align the pins to the connector on the

transmitter’s component board.

4. Push down on the module so that the plastic holders clip into place.

Try not to tilt the module, so that the pins will meet the connector

straight on.

5. Reconnect the transmitter to the mounting base.

6. Verify that there are no errors when the transmitter starts up. If you

see the errors HTM10 01 or HTM10 02 on the screen, it is likely

that the module is not seated properly in the connector. In that case,

disconnect the transmitter body and try again.

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Vaisala HMW90 User Manual Page 75