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19 - Troubleshooting
19�3 Modem
19�3�1 About modem problems in general
A quick and easy way to solve problems with modem connections is to connect the modem directly
to your computer and establish a remote connection. If it works there, it is likely to work with the
WMPro too.
Consult the system log (on the System page) to nd out what went wrong.
19�3�2 Modem does not dial out
Have you activated PPP? If your modem is connected via an exchange, the modem might not be
able to detect the dial tone. You can solve this problem by changing the init string so the modem
does not wait for the dial tone. Usually this means adding X3. Read the modem manual.
19�4 Email
19�4�1 Emails not received
Check you entered the addresses correctly. The recipient email addresses and the server address
must all be correct (3.7). If the email server address is not an IP number, make sure the DNS server IP
number is dened correctly (3.5).
19�4�2 Authorisation problems
If all the addresses are correct, the problem might be the email server preventing the device send-
ing emails. Some servers are congured to accept emails from specied senders. Other senders
need server authentication using a protocol that is not supported by WMPro. Check with your server
administrator.
19�5 Controllers
19�5�1 % and V settings
The controller settings dene whether the controller uses a percentage (0 to 100) or 0 to 10 V. The
settings must be the same in the channel controlling the actuator. If the controller uses a percent-
age, the channel needs to rescale it to a suitable output signal. Otherwise it will uctuate rapidly
between the end positions. If the controller instead uses volts while the channel is set to use a per-
centage, the actuator will hardly be aected at all.
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