tekmar 162 Setpoint Control Installation - Manual (Page 31)

31 of 32 © 2007 D 162 - 08/07
Error Message Description
DEVICE LIMIT
There are more than 24 devices on the tN4 bus. The additional devices must be removed
and reconnected to a different tN4 bus if possible.
DIP SWITCH 2 MODE
The tN4 System Control DIP switch 2 is set to None and the thermostat has detected a tN4
System Control. The thermostat does not operate until this error is corrected. The tN4 System
Control DIP switch 2 must be set to tN4 System Control.
SETPOINT SENSOR SHORT CIRCUIT
Due to a short circuit, the setpoint control failed to read the sensor input. The setpoint control
displays the error and stops operation until the error message is cleared. Check the wire for
short circuits. Locate and repair the problem as described in the Data Brochure D 070. The
error message clears automatically once the error is corrected.
SETPOINT SENSOR OPEN CIRCUIT
Due to an open circuit, the setpoint control failed to read the sensor input. The setpoint
control displays the error and stops operation until the error message is cleared. Check for
loose or broken wires. Locate and repair the problem as described in the Data Brochure D
070. The error message clears automatically once the error is corrected.
SCHEDULE MASTER ERROR
Two tN4 devices have been set to the same Schedule Master setting. Select a different
Schedule Master setting for the setpoint control. The thermostat operates in the Occupied
mode while this error message is present. The error message clears automatically once the
error is corrected.
SCHEDULE MEMBER ERROR
The setpoint control can no longer detect its schedule master. Ensure that the Schedule
Master number has not been changed. Check the communication connections for open or
short circuits. Once the schedule master has been detected, the error message clears.
DEVICE ERROR AT ADDRESS #:##
#:## is the address of the device with the error. The bus number displays before the colon,
and the device number displays after. Go to the device with the address displayed.
Possible Addresses:
01 to 24
- Device Error on Thermostat only network
b:01 to b:24 - Device Error on Boiler Bus
1:01 to 1:24 - Device Error on Bus 1
2:01 to 2:24 - Device Error on Bus 2
3:01 to 3:24 - Device Error on Bus 3
CTRL
- Device Error on System Control
MIX1 - Device Error on Mixing Expansion Module (See System Control for local error)
MIX2 - Device Error on Mixing Expansion Module (See System Control for local error)
MIX3 - Device Error on Mixing Expansion Module (See System Control for local error)
Error Messages (2 of 2)
Note: Error Messages are only visible while in the Advanced or Installer access level.