Blue Sky UCM User Manual
Page 22
Blue Sky Energy – Universal Communication Module
21
TROUBLESHOOTING GUIDE
SYMPTOM
PROBABLE CAUSE
ITEMS TO EXAMINE OR CORRECT
Power/Heartbeat LED
off
No power
Charge controller not properly powered.
IPN Network cable faulty, not plugged in or cable pins do not swap per Figure 2.
Power/Heartbeat LED
on solid and not
blinking
UCM locked up due to EMI or voltage
transient
Reboot UCM by momentarily removing IPN network cable or cycling charge
controller power.
Unable to get to UCM
web site login page via
direct connection
Wrong cable type
Incorrect UCM communication settings
Incorrect TCP/IP settings in computer
for direct connection
Crossover type cable required for direct connection communication.
Perform a Restore As Shipped Factory Defaults function in UCM.
Set computer TCP/IP settings as required for direct connection.
Unable to access
UCM web site login
page on LAN via
router
LAN not operating properly
Incorrect UCM to router cable
Incorrect communication settings in
UCM or router
Correct basic LAN operation.
Use standard patch cable from UCM to router, not Crossover cable supplied.
Correct communication settings in UCM and router per router documentation for
router communication with UCM’s fixed IP Address.
Refer to UCM Connection Using A Router section of manual.
Unable to access
UCM over the Internet
UCM not accessible on LAN
Router not properly configured for Port
Forwarding of UCM
ISP does not allow Port Forwarding
Not entering correct IP Address at
remote computer
DNS Service (if used) not keeping track
of routers IP Address
UCM must be accessible on LAN prior to attempting internet access.
Correct router’s Port Forwarding settings per router documentation.
Get ISP to allow Port Forwarding or switch ISP’s
Confirm you have the proper “router” WAN IP Address which is assigned by the
ISP, refer to router documentation.
ISP may have changed the router’s IP Address, consider using DNS service to
keep track of IP Address changes
IP Address not entered into web browser in the proper form
Refer to DNS service provider documentation
UCM login page
password not
accepted
Password entered incorrectly or is
unknown
Ensure password which is case sensitive is entered correctly
Perform a Restore As Shipped Factory Defaults function to restore password to
admin
Commands or settings
changes not received
by charge control
system
SET, CLEAR or START/STOP button
not pressed.
Communication from UCM to charge
controller not operating
Appropriate SET, CLEAR or START/STOP button must be pressed to send
command or setting to charge controller.
IPN Network cable faulty
Certain data on UCM
web page shown as
dashes (– – –)
Device not present or information not
available
Device (e.g., charge controller, IPN-ProRemote) not present on IPN network or data
not yet initialized. See device’s documentation.
Settings changes off
by factor of 10
Setting entered incorrectly
Decimal numbers such as 14.0 must be entered as 14.0 and not as 14.
Certain UCM settings
or commands do not
operate properly
IPN-ProRemote present with outdated
pre V4.00 software
Update IPN-ProRemote software to version V4.00 or later.
Remove IPN-ProRemote from system if software V4.00 or later not available.
MODBUS RS-485 not
communicating
Incorrect duplex mode selected
Incorrect A/B wiring polarity
Incorrect communication settings
Correct Full Duplex / Half Duplex selection via jumpers.
Correct A/B polarity
Correct settings for Baud Rate, Parity & Stop Bits.
MODBUS TCP not
communicating
Incorrect Port setting
Incorrect IP Address
Incorrect Function Code and/or Data
Set to Port 502.
Use correct UCM IP Address
Correct Function Code and/or Data