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TROUBLESHOOTING GUIDE
MX60 does not boot/power-up (blank LCD)
• Check the battery connection and polarity.
Reverse polarity or an improper connection will cause power-up issues.
• Check the battery breaker.
Ensure that the battery breaker is sized appropriately.
• A battery voltage below 10.5 VDC may not power up the MX60 (measure the battery-side of the
Four- Position Terminal Block).
• If the MX60 still does not power up, call the factory for additional support.
MX60 is always SLEEPING
• If the battery voltage is at or above the ABSORB voltage set point (compensated ABSORB
voltage), the MX60 will not wake up.
• The PV voltage has to be at least two volts greater than the battery voltage for the initial wakeup.
• Check the PV array breaker (or fuse).
• Con rm the PV array breaker (or fuse) is sized appropriately.
• Which State (in MISC Menu) is it at? Is it transitioning between 00 and 01? Is it in GT mode and
connected to a MATE?
GT mode is only applicable with a HUB 4 or HUB 10 installations with a grid-tie compatible
MATE.
• Does the PV array voltage on the display rise with the PV breaker OFF, but reads 000 with the PV
breaker ON?
If so, the PV array polarity connection on the MX60 maybe reversed or the PV lines could
be shorted.
• Does the PV voltage still read 000 with the PV breaker o after a minute?
Call the factory for support.
• Have you checked the short circuit current of the PV array?
Use a multi-meter to determine if a short circuit current is detected. The short circuit current
test will not harm the array.
Be sure to check out the OutBack customer and
user forum at www.outbackpower.com/forum/
for more MX60 information.