Table of Contents
Advertisement
Problem
3000 displays
A. Loose or bad fuse
SERVICE
B. Bad Connection
REQUIRED – ATO
C. ATO Board power loss
BOARD
Probable Causes
1-29
Corrective Action
A. Ensure fuse on right side of ATO box
is secure and good. If the controller
above the ATO box is missing power,
check the fuse below the component
box.
B. With the controller OFF, press TEMP
button and ensure the ATO software
version
appears.
connection between the controller
and the ATO board may be bad.
Ensure the 6-pin CAN connectors are
tight between controller (J6 and J7)
and ATO (J9 or J10) boards.
C. Power to the ATO board has been cut
off. Ensure there is correct voltage to
the ATO transformer. Restore power
to the board and clear any service
required errors.
If
not,
the
Advertisement
Table of Contents
Troubleshooting
