BLUE SKY IPN ProRemote Installation And Operation Manual page 15

SYMPTOM
No data shows in the View
Charge Unit Status screen
Days since last equalize or
full charge shows 1 day
too many
Days since last equalize
reset without equalize
completing
Net battery current
polarity reversed
Battery current seems
inaccurate
Remaining Battery
Capacity & Amp-Hours
From Full show dashes (–
– –)
Remaining Battery
Capacity or Amp-Hours
From Full seem inaccurate
Blue Sky Energy | USA | www.blueskyenergyinc.com
PROBABLE CAUSE
Charge controller not
communicating with IPN ProRemote
The day counter increments once
each 24 hours since battery power
was applied.
Day counter updates when equalize
starts
Signal wires on shunt reversed
Some charging sources or loads do
not go through shunt
Shunt wiring incorrect or faulty.
Shunt signal wires picking up
electrical noise
Excessive voltage drop in network
cable to IPN ProRemote or in
system power wiring
Net battery current not reading
0.0A with zero amps flowing
Charge controller has not finished
charging battery
Shunt not properly reading net
battery current
Incorrect battery amp-hours
entered
Incorrect Charge Efficiency factor
Battery not fully charged for an
extended period
Charge controller is not what
normally fully charges the battery
Self Discharge Rate set incorrectly
Temperature sensor faulty
ITEMS TO EXAMINE OR CORRECT
Controller-to-controller network cable not wired A-to-A, B-to-B, or wires
are open or short.
More than one charge controller is set to be Master or more one charge
controller set to same slave address.
Normal operation. This potential 1 day error may be eliminated by rebooting
the charge controller in the middle of the night so that the counter
increments at this time rather than during the day.
Normal operation. The equalize day counter is reset when equalize starts
rather than when it ends.
Swap signal wire positions on shunt.
Confirm that no other current carrying conductors other than the shunt
cable is connected to battery negative.
Shunt wired in series with battery positive, should be negative.
One or both shunt signal wires open or short.
Confirm signal wires are twisted pairs.
Consider using shielded twisted pair cable for signal wires.
Relocate signal wires away from power or noise generating wiring.
Confirm that with backlight ON and with highest possible charge or discharge
current flowing in system, voltage difference between "COM test point" and
"SHUNT –" on the back of the IPN ProRemote is less than 1.0V at all
times, with less voltage drop being better. Correct wiring as necessary.
Consider not using backlight.
Perform Reset Current Shunt Zero function exactly as described in this
manual to remove zero offset.
Normal operation. Remaining Battery Capacity & Amp-Hours From Full
displays show dashes until the battery is fully charged which initializes
amp-hour counting.
Net battery current must read correctly to properly count Amp-Hours
From Full, which is used to compute Remaining Battery Capacity. See
Battery Current Seems Inaccurate.
Confirm correct 25C 20Hr rate battery amp-hour value.
Confirm Charge Efficiency factor and Charge Efficiency Mode are set
correctly. Incorrect net battery current readings can cause Charge Efficiency
to become very inaccurate. Reset to 94%.
Since battery charge / discharge behavior is not ideal, error in the Amp-
Hours From Full counter builds as the battery cycles without becoming
full. Try to fully charge the battery often.
To get the best accuracy, the charge controller should be what normally or
at least regularly brings the battery back to full charge.
Confirm proper 25C value is entered.
Many factors are temperature compensated. Confirm proper temperature
sensor operation as described in the charge controller manual.
Installation and Operation Manual
14