Control Module; Alert Inputs - BAYweb BW-WT2 Owner's Manual

Code Meaning
E1 Indicates that the thermostat keypad is not communicating with the control module.
The thermostat can not control the furnace/AC in this condition.
E2 Indicates that the temperature sensor in the keypad module has failed.
E3 Indicates that DHCP (Dynamic Host Configuration Protocol) is not functioning on your
local network.
E4 Indicates that the control module has lost communication with the BAYweb servers.
E5 Indicates that the non-volatile memory was corrupted or lost.

Control Module

Alert Inputs

There are three inputs that can be used to connect to a variety of wired sensors, such as a
sump pump monitor or alarm door contacts.
To use this feature, wire the dry contacts of a sensor or switch to the terminals of one of the
inputs. The two terminals labeled IN1 are for alert input 1, IN2 for alert input 2, and IN3 for
alert input 3.
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