Temperzone SAT-‐3 Installation Setup Guide, Issue 2
Page 7
of 7
3.
SAT-3 Fault Indications
The SAT-‐3 indicates some faults that may be useful during installation. Faults are indicated
in the bottom right area of the display.
Wiring changes should only be made with the power disconnected.
Code
displayed
Description
Remedy
t1
SAT-‐3 internal temperature
sensor error
The internal temperature sensor of the SAT-‐3
is damaged. Replace the SAT-‐3.
t2
SAT-‐3 external temperature
sensor error
Check the external temperature sensor
connected to the Sat-‐3.
t3
No communications between
SAT-‐3 and unit controller
Check the wiring between the unit controller
and the SAT-‐3.
Check the SAT-‐3 baud rate is set at 19200
baud (see section 2.1).
