Troubleshooting
Incorrect Time Displayed After Console Power Loss
22
Incorrect Time Displayed After Console Power Loss
“Could Not Validate iButton” or “ Media Access Error” Displays on GUI
Table 17 errors only applicable for older consoles which have an iButton.
Table 16. Troubleshooting Procedure for incorrect Time Displayed After Power Loss
Probable Cause
Action
Yes
or
No?
Action
1. Battery Isolator
strip not removed.
Remove the front cover of the TLS4 following Steps 1 & 3 of the Dis
-
play/CPU Assembly removal instructions on page 26. Is the battery
isolator strip in place?
Yes
Remove and discard the battery isolator
strip.
No
Go to Probable Cause 2.
2. Bad battery or
battery is
installed in back
-
wards with ‘ +’
side of battery
facing down in
holder.
1. Remove the console’s cover following steps 1 & 3 in Display/
CPU Assembly removal instructions on page 26.
2. Is the ‘+’ side of the battery (Item 5 in Figure 2) facing up in the
holder as shown below?
No
Remove the battery by gently lifting the
retaining clip over the battery as you
slide it to the right. Reinstall the battery
with the ‘+’ side up, by sliding it from
right to left under the retaining clip until
it snaps securely into the holder.
Yes
Replace battery.
Table 17. Troubleshooting Procedure for “Could Not Validate IButton” or “Media Access Error”
Probable Cause
Action
OK?
Action
OK?
Action
1. Features iButton
is not seated
properly in its
holder.
2. Features iButton
is not pro
-
grammed.
1. Remove the console’s cover and the Display/CPU assembly fol
-
lowing the assembly removal steps beginning on page 26.
2. Check that iButton (Item 3 in Figure 3) on the CPU board is
installed correctly as shown below:
Yes
Replace iBut
-
ton with one
that has been
programmed
with the
required fea
-
tures.
No
Verify iButton
is installed
correctly.
No
With flange end
up, slide the iBut
-
ton under the clip
until it snaps
securely into the
holder.
Yes
Replace Display/
CPU Assembly.
+
+
+
+
