P/N 151204
7-1
Section 7
Troubleshooting
This section of the manual contains information that can be used to isolate and correct
installation problems encountered in the field.
7.1
System Error Messages
Table 7-1 contains a list of possible error messages along with their meaning and possible
solution.
Table 7-1: Error Messages
Error Message
Description
Solution
FLASH Defaulted
On power up the SK-5208 will check the flash for
an “option record”.
If an “option record” is not found
during power up, one will be created
and the display will indicate “Flash
Defaulted” for approximately one
second.
Earth Fault Trb
The SK-5208 has built-in earth ground fault
detection that will detect an earth ground fault
connection between earth and any panel terminal.
When an earth ground fault is detected the SK-
5208 display will indicate Earth Fault Trb.
The SK-5208 will also add two events to the
history buffer Expand Trb 38 and Earth ###. The
Earth ### is a debug event number between 0 and
255.
See Section 7.2 for earth ground
fault troubleshooting procedure.
Key BUS Trouble
This message will display when communication is
lost between the 5235 and the control panel.
Check for a short or an open on
either the SKI or SKO terminals.
NAC # Trb
This message indicates that a short or an open is
detected on a Notification Appliance Circuit. The
# indicates which NAC has the trouble.
Check for a short or an open on the
indicated NAC wire run.
Remote # Trb
Each 5235 can be programmed to be supervised
(see Section 4.2.2). If the SK-5208 is unable to
communicate with the 5235 it will indicate this
message. # indicates the ID number of the faulted
touchpad.
Check the wire connections between
the indicated touchpad and the
control panel.
5217 Trb #
If the SK-5208 is unable to communicate with a
5217 expander it will display this message. The #
indicates the ID number of the expander in
trouble.
Check all wire connections between
the control panel and the 5217
expander in trouble.
5280 Trb #
If the control panel is unable to communicate with
a SK-5280 Status Display Module this message
will be displayed. # indicates the ID number of the
SK-5280 in trouble.
Check all wire connections between
the control panel and the SK-5280
in trouble.
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