E L A N H O M E S Y S T E M S
© ELAN Home Systems 2009 • All rights reserved. Page 51
DT22-240
INSTALLATION MANUAL
Symptom
Possible Cause/s
What an authorized installer can do
No source or
zone selected
from RS-232
controller.
1. RS-232 controller
incorrectly
programmed.
2. RS-232 signal path
wiring bad.
Verify/correct programming.
Verify RS-232 wiring. Check wire
integrity an pin-out configuration.
Incorrect
source and/or
zone
selected.
The DT22-240 RS-232
commands were incor
-
rectly
programmed.
Verify/correct programming.
1. The command was
formatted
incorrectly.
2. An error has
occurred in the DT22-
240.
3. Serial cable not
connected or
defective.
4. DT22-240 does not
have power.
Verify/correct programming.
Turn unit OFF, then back ON.
Connect or replace serial cable.
Connect power, check breakers.
VIA!NET Control Troubleshooting Procedures
Symptom
Possible Cause/s
What an authorized installer can do
No source or
zone selected
from VIA!NET
controller (VIA!
Touch Panel,
etc.).
1. VIA!NET controller
not programmed.
2. VIA!NET signal path
wiring bad.
Program VIA!NET controller.
Verify VIA!NET wiring.
Incorrect
source and/or
zone
selected.
Incorrect DT22-240
VIA!NET commands
programmed.
Verify/correct programming.