The battery unit on my service started intermittently beeping (very annoying) a few days ago and the Replace Battery light came on, so I called support and spent an hour on the phone. They asked me to unplug the unit and open it and remove the terminals from the battery to "reboot" it. I couldn't remove the terminals because they are corroded on.
Then they told me the battery is "out of warranty", even though I've had the service only since Sept 1, 2014 -- less than 7 months. Your batteries last only six months? Of course not. I rent, and the battery unit was already installed for a previous tenant. But apparently it's my problem if I get an old, corroded battery unit left behind by someone else.
Then they told me they could send a technician out, but they couldn't guarantee I wouldn't be billed for it. I understand that people try to wriggle out of paying for service calls brought on by customers own actions, but I haven't done anything wrong. I haven't damaged this equipment. It should have been checked and the battery terminals cleaned when my service was installed, but the installers are contractors and they