CLASSIC CHARGE CONTROLLER

124 - It is night, why does my Classic show voltage on the input?
127 - Why is ENDAMPS not triggering at my ENDAMPS setting?
133 - GRID-TIED WITH BATTERY BACKUP CAN'T GET THE CLASSIC TO SELL POWER
135 - How do I test FOLLOW-ME?
161 - Why are my Classics not sharing the work when networked with Follow-Me?
162 - Why did my Classic KWh Production RESET during the day...
169 - How does MidNite know I over-voltaged my controller?
220 - How do I perform a Software Factory Restore? (VMM =Vulcan Mind Meld) What is a VMM?
221 - How do I perform a HARDWARE factory Restore? i.e. Jumper removal
222 - Classic will not power on, no fans and no sign of start up, what do I do?
223 - Classic MNGP (display screen) is blank, but the classic is on, Why?
224 - Classic MNGP (display screen) says "RESTING" but the sun is out, Why?
225 - My classic switches from Resting and Bulk MPPT repeatedly, but is producing 0 WATTS -Why??
226 - Classic MNGP (display screen) is showing all 0's and/or GOT COMM -Why?
227 - Classic MNGP (display screen) says "MODE IS OFF" -Why?
228 - Classic MNGP (display screen) is Fuzzy or has odd characters, Why?
229 - Classic MNGP (display screen) Firmware update issues, Why will it not update?
230 - Classic MNGP (display screen) says "OCP OFF" -Why?
231 - Classic MNGP (display screen) says "OCP" -Why?
232 - Classic MNGP (display screen) says "ARC FAULT" and is Loud/Beeping - Why?
233 - Classic MNGP (display screen) says "HYPER VOC" -Why?
234 - Classic MNGP (display screen) says "Battery Over V" -why?
235 - Classic MNGP (display screen) says "SET DATE AND TIME" -Why?
236 - Classic MNGP (display screen) is White/Dark or hard to read, Why?
240 - What is the PASSWORD for the classic?
241 - Why do the FANS run all the time, no matter what the classic is doing?
242 - How can I verify that the FANS work on the Classic?
249 - Why does my Classic HYPER VOC -PV IN raise up over Voltage on its own?
256 - My Classic PV IN -IN breaker is OFF or it is night, Why does the classic show voltage?
278 - FANS seem too loud
279 - Classic goes to ABSORB at too low or too high of a voltage
280 - Classic goes to FLOAT too early
281 - Classic appears to be "singing" at a high pitch or whine that varies...
283 - I mounted my MNGP remotely and now it will NOT power up or it blinks and still will NOT power up.
291 - What is a GOT COMM message?
292 - My Classic makes a Clicking sound, Why?
293 - My Classic talks to me, makes siren sounds or comical phrases, Why?
Print
FAQ #: 249
Q: Why does my Classic HYPER VOC -PV IN raise up over Voltage on its own?
A:MODBUS Register at ADDRESS 4398 gets jacked up causing this. The fix is to set it to ZERO (0) using the following instructions: Go to the TWEAKS menu, press Enter press the upper right rectangular button, press and hold the left arrow button, and then depress the upper right rectangular button two times Page will show ADDRESS on left, VALUE on right Use up/down arrow buttons to find ADDRESS of 4398 VALUE should be 0. I suspect the value will be something other than zero. If so, depress right arrow button to highlight the value, then down arrow down to 0. press and hold upper left rectangular button, then depress Enter button to save the changes. The display should have said "DATA SAVED Lastly press Status to return to main page. Check to see if INPUT is around 2/3 battery Voltage now.