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Relay (Internal) Does Not Work
CAUTION
Relays are for Class-2 voltages (24 VAC) only.
Do not connect line voltage to the relays!
NOTE: Max. output current is 1 A for individual
relays @ 24 VAC/VDC or a total of 1.5 A
per bank of 3 relays (relays 1–3, 4–6, and
7–9). Do not attach a device that draws
current that exceeds the corresponding
value. Relays are NO, SPST (Form "A").
• Check current draw of load. Substitute an output
device that draws less current.
• Check that the output is on.
•
See Wiring Issues on page
• Restart the FlexStat.
• If Restore Factory has just been performed, see
the Note and Cautions in Restore Factory on
page
25.
• If the firmware has just been upgraded, firm-
ware for the wrong model type may have been
installed (e.g., BAC-1xx63 firmware accidentally
installed in a model BAC-1xx36). In the About
menu, ASV may simply read "CUSTOM" instead
of something like "BAC_1xx36 R1.1.0.5" as it
normally would have done. If so, repeat the firm-
ware upgrade and ensure that the correct type of
firmware is selected for the connected model.
NOTE: ASV in the About menu will also show
CUSTOM if any built-in Control Basic
program (1–5) is not running or has auto-
run disabled.
Flash
Port
Backplate
Wiring
Connectors
WD Jumper
(BAC-10000 Series)
FlexStat
36.
WD
Jumper
WD Jumper
(BAC-12xxxx)
Model and Is
REMOVE for
Upgrading Firmware Issues
Firmware Upgrade Failures
• If a message appears that the operation has
failed, ensure the WD (watch dog) jumper is
TEMPORARILY removed during the upgrade
process! Reinstall the jumper on the two pins
closest to the center of the board after the
upgrade process is complete! (See illustration
below.) After the update, a FlexStat with a miss-
ing jumper may seem to be operating correctly,
but it may lock up at a later time.
NOTE: To replace a lost WD jumper, use a standard
2.54 mm computer jumper sourced locally.
A KMC HPO-0063 jumper can also be
used if the finger tab is cut off to clear the
backplate.
• If the USB port does not appear in the drop-
down list, close the tool, remove power to the
FlexStat, disconnect the FlexStat from the USB
port, reconnect the FlexStat to the USB port,
restore power to the FlexStat, and restart the tool.
• For any communication error, check all connec-
tions and restart the Firmware Upgrade Tool.
• For display/interface issues in the Firmware
Upgrade Tool, right-click in the firmware panel
(on the right) and select Restore Defaults.
• To view and download firmware updates from
within the tool or from KMC's Partner Portal web
site (partners.kmccontrols.com), you must log-in
with a valid user name and password.
Location
Varies by
Shown in
Normal
Operating
Position
(Toward
Center of
Board)—
Firmware
Update
34
WD Jumper
(BAC-13xxxx/14xxxx)
Backplate Wiring
Connectors
Flash
Port
Operation Guide, Rev. L
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Troubleshooting
