Thermostat Z-Wave Specification
June 26, 2019
Building 36 Technologies
An Alarm.com Company
6
4
Notifications
The thermostat supports the Power Management and System Event Types.
NOTE : Power Management (0x08) is off by default.
Table 2 - Notification Command Class Definitions
Notification Type
Notification State
Description
Power Management Power Status
State of thermostat connection to the
HVAC system. When 24VAC is connected
and 24VAC is detected, the state is set. It is
cleared when 24VAC is not detected.
AC Mains Disconnected
Set when 24VAC C-Wire is not detected.
AC Mains Connected
Set when 24VAC C-Wire is detected.
System Status
Hardware Failure with
code
Set when hardware failure detected.
•
0xE0 Temp Sensor Fail
•
0xE1 Relay Processor Fail
•
0xE2 Z-Wave Processor Fail
•
0xE3 Wiring Error
•
0xE4 Unexpected Z-Wave Reset
•
0xE5 Overcurrent
•
0xE6 Unexpected Switch Opened
•
0xE7 Unexpected Switch Closed
Software Failure with
code
Set when software failure detected. No
software errors are defined.
