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© 2011
D 406 - 12/11
Error Messages (3 of 3)
Error Message
Description
TANK DEVICE LOST (T:01 TO T:24)
Each tekmarNet
®
device (thermostat, setpoint control, timer) has an address. The device with this address
on the tank water temperature is no longer reporting back to the 406.
The device can be located by either the address, or by going to each device in the building, checking
that the LCD is on, and the tekmarNet
®
communication symbol is on. Trace the wires from the control to
the lost device looking for loose or damaged wires.
Note:
If you deliberately remove a tekmarNet
®
device, hold the Up and Down buttons to clear this error.
MASTER DEVICE ERROR
More than one master has been detected on the tekmarNet
®
4 expansion terminals. The 406 is a “Master
Device” and no other tekmarNet
®
reset controls can be added to the tekmarNet
®
4 expansion terminals.
If one has been added, remove it from the system.
DEVICE ERROR AT ADDRESS B:01 to B:24
Each tekmarNet
®
device (thermostat, setpoint control, timer) has an address. One of the devices on the
boiler water temperature has an error. If there is a record of the device address together with the room
name, go to that device to correct the error. Otherwise, go to each device in the building, checking for
the flashing Warning symbol. Once the error on the device is corrected, the error message will clear.
DEVICE ERROR AT ADDRESS M:01 to M:24
Each tekmarNet
®
device (thermostat, setpoint control, timer) has an address. One of the devices on the
mix water temperature has an error. If there is a record of the device address together with the room
name, go to that device to correct the error. Otherwise, go to each device in the building, checking for
the flashing Warning symbol. Once the error on the device is corrected, the error message will clear.
DEVICE ERROR AT ADDRESS T:01 to T:24
Each tekmarNet
®
device (thermostat, setpoint control, timer) has an address. One of the devices on the
tank water temperature has an error. If there is a record of the device address together with the room
name, go to that device to correct the error. Otherwise, go to each device in the building, checking for the
flashing Warning symbol. Once the error on the device is corrected, the error message will clear.
DEVICE ERROR AT ADDRESS T:01 to T:24
Each tekmarNet
®
device (thermostat, setpoint control, timer) has an address. One of the devices on the
tank water temperature has an error. If there is a record of the device address together with the room
name, go to that device to correct the error. Otherwise, go to each device in the building, checking for
the flashing Warning symbol. Once the error on the device is corrected, the error message will clear.
