Technical Support - Elan C2 Communications Controller Installation Manual

C2
INSTALLATION MANUAL
Symptom
Volume controls
do not
work when
page or Door
Chime is
sent.
Cannot hear
Page or Door
Chime when
volume controls
are
turned down.
Symptom
Noise or hum
in phone earpiece.

Technical Support

If, after carefully following the steps in the Troubleshooting section, you are
unable to resolve issues with the installation or operation of the C2, please call
ELAN Technical Support at 1-800-622-ELAN (3526).
Page 56
Table 4-5 C2 Volume Control Troubleshooting Procedures
Possible What an authorized installer can do
Cause/s
VCO- and 1. Confirm symptom and homeowner's findings regarding.
VCO+ may be 2. Verify that VCO+ and VCO-polarity is wired properly.
reverse wired, 3. Verify power supply polarity is wired properly.
or power + and 4. Enter a page or press a Door Station doorbell to verify
- may be problem corrected.
reversed. If problem still exists, call ELAN Technical Support at 1-800-
622-ELAN.
5. Meter for 12V on VC override on C2.
1. Page & 1. Confirm symptom.
Doorbell Override 2. Verify that VCO+ and VCO- connections for the overrides
feature is are connected properly and polarity is maintained to the VCO
not working. removable connectors on the back of the C2.
2. VCO- and 3a. Rotary Volume Controls - Ensure that the Override Volume
VCO+ may be Jumpers are properly set for rotary volume controls.
reverse wired, 3b. Electronic Volume Controls - Verify that the Override Volume
or a power settings are properly set.
supply + and - 4. Verify that the power supply (internal or external) is connected
may be properly and is providing the voltage and current necessary
reversed. to power the volume controls. Contact ELAN Technical
Support from the job site at 1-800-622-ELAN, if voltage is
present.
5. Meter for 12V on VC+ and VC- at the volume control.
Table 4-6 C2 Hum Troubleshooting Procedure
Possible What an authorized installer can do
Cause/s
Ground Loop 1. Remove any fax machines, answering machines, DSS/
Cable Boxes or any other equipment connected to the phone
system.
2. Bypass the C2 RJ-11 connection with an RJ-ll jumper or
power off the C2.
If the problem clears during the above checks, a ground loop
exists between the power circuit for the C2 and the phone
system or connected equipment. Have a licensed electrician
check and repair grounding for the homes electrical system.
E L A N H O M E S Y S T E M S
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