Blue Sky UCM User Manual

Page 22

Advertising
background image

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

Advertising