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• The EQ cycle has been initiated, but the battery is not equalizing.
T
he EQ cycle will begin when the target EQ set point voltage has been reached. A small
array or cloudy weather will delay the EQ cycle. Accordingly, running too many AC and/or
DC loads will delay the EQ cycle, too.
• An EQ set point that is too high relative to the battery voltage will delay the EQ cycle.
• If the PV array voltage is close to the battery voltage, the panels could be warm/hot causing the
Maximum Power Point to be at or lower than the battery voltage which can delay the EQ cycle.
MX60 Sweeping frequently
• A short sweep interval time will cause the MX60 to sweep frequently. A sweep interval of seven
to ten minutes is recommended.
• When the current limit set point is achieved, the MX60 will continue to sweep to maintain the
targeted current limit.
MX60 Battery Temperature Compensated Voltage
• Only the OutBack RTS (remote temperature sensor) can be used with the MX60.
• The battery voltage can rise above the ABSORB and FLOAT voltage set points if the battery
temperature is < 77° F or fall below the ABSORB and FLOAT voltage if the battery temperature is
> 77° F.
• Why does the MX60 show BatTmpErr on the STATUS screen?
The RTS is faulty or damaged. Disconnect the RTS from the RTS jack to resume
normal operation.
MX60 Internal Fan
• The internal fan will only run when the internal temperature has reached approximately 115° F.
The internal fan will run as needed. In the MISC Menu, the fan will run if and only if the value of
PCB is lower than the value 350. Note that the value 350 represents a temperature count value; it
does not itself equal 350° F.
MX60 is beeping
• When the MX60 is in Extended Play mode, the array is very hot, and the MPP is close to the bat-
tery voltage, beeping can occur. To disable the Extended Play feature, go to the MAIN Menu
and press and hold the #1 soft key until the MX60’s software version appears on the screen.
Continue pressing the #1 soft key and press the #3 soft key at the same time until X O displays
on the screen. To reactivate Extended Play, repeat these steps and hold the #3 soft key until X On
displays. Extended Play is meant to optimize the performance of a hot array, but isn’t critical to
e cient MX60 operations.