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Troubleshooting 7-5MN1901
7.2.2 DB On (Regeneration) LED
The front panel DB On LED indicates regeneration activity.
Yellow
Power is being dissipated into the regeneration resistor
Off No regeneration is occurring.
7.2.3 Communication
Problem Check
Status display is
blank
Check that the customer supplied 24VDC power supply is connected
correctly to connector X1 and is switched on.
On models with an internally generated 24VDC supply, check that the
AC power supply is connected correctly to connector X1 and is
switched on.
Mint WorkBench
fails to detect the
MintDrive
II
-it
detects “No
controller found.
Communication
fault on COMx”.
Ensure that the MintDrive
II
is powered and the S tatus display is
illuminated (see section 7.2).
Check that the serial cable is connected between the PC’s COM port
and connector X6 on the MintDrive
II
.
Check which PC COM port is being used, or use the “Scan all serial
ports” option to locate the MintDrive
II
.
Check the wiring of the serial cable or try an alternate cable. Check
that DIP switch 10 (RS232/RS422) is set correctly (see section 3.9.6).
On the PC, try an alternative COM port.
Confirm that a mouse driver or other serial device is not conflicting
(using the same COM port) as Mint WorkBench.
Does the MintDrive
II
have firmware in it? If you tried to download new
firmware and the download failed, the controller may not have
firmware. If this has happened, the S tatus display will show a minus
sign (-) and flash the decimal point repeatedly.
Check that the selected Baud rate is supported by the PC and
MintDrive
II
.
If the “Only scan COMx” option is selected in Mint WorkBench, check
that the correct COM port is selected.
If the “Search up to Nodexx“ option is selected in Mint WorkBench,
check that the MintDrive
II
node number is not higher than this value.
Do you have multiple nodes on the bus? If so, they must all be set to
the same Baud rate. Mint WorkBench scans through all the node Id’s
at dif ferent Baud rates. When it finds a node, it will only continue to
scan for other nodes at the same Baud rate.
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