Welcome to the support page for the Warmboard Comfort System (WCS). Before proceeding, ensure any suggested resolutions shown on your thermostats have been followed. The suggestions below aim to provide more complete detail to help remedy a system alert.
(Note: If the issue you are experiencing is unrelated to any messages on your thermostat, call our Technical Department at 1.800.775.5591)
Select the error displayed on your thermostat from the links below:
E1: Boiler not providing heat
E2: Boiler temperature too high
E3: Heat pump Modbus communication failure
E4: Heat pump error
E5: Return water temperature sensor shorted or disconnected
E6: Supply water temperature sensor shorted or disconnected
E7: Actuator missing from manifold controller
E8: Actuator failing to open or close
E9: Manifold controller cannot connect to the network
EA: Thermostat cannot connect to the network
EB: Thermostat temperature out of range
EC: Wi-Fi communication failure
A1: System is not connected
A2: System has not checked in for over 24 hours
