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2-8 Cooling fan working code:
Cooling fan of inverter is through detecting output power and over temperature situation to
work. When start to turn on the inverter and output power is under 60W, the cooling fan
does not start running. It complies with saving energy sources requirement. Until, output
power is up to 60W, the cooling fan will start to work in order to drop the inner
temperature.
If the ventilation opening is obstructed, the inverter will enter over temperature protection
mode (OTP) and shut down. The cooling fan will continue working to drop the inner
temperature. When the temperature comes down to normal situation, the inverter will turn
on automatically.
3. Maintenance:
Very little maintenance is required to keep your inverter operating properly.
You should clean the exterior of the unit periodically with a dry cloth to prevent accumulation of
dust and dirt. At the same time, tighten the Screws on the DC input terminals.
4. Troubleshooting guide:
Problem and Symptom
Low output voltage
(110V: 95-105VAC
220V: 190-210VAC)
Load display OLP flash
No output voltage
Fault input voltage
No output voltage
Over temp indicator
Load less than 2500W
No output voltage
Over load indicator
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ACDC-DCDC
WARNING!
Do not open or disassemble the inverter. Attempting to service
the unit yourself may result in a risk of electrical shock or fire.
Possible Cause
Using average reading
voltmeter
Over load
Input Undervoltage
Input Overvoltage
Thermal shutdown
Short circuit or wiring error
Very high power load
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SYSTEME
Use true RMS reading meter
and cable. (Ref. point 2-4-7).
Reduce load
Recharge battery,
check connections and cable.
( Ref. point 2-5 & point 2-6)
Improve ventilation.
Make sure ventilation openings
in inverter are not obstructed.
Reduce ambient temperature.
Check AC wiring for short
circuit or improper polarity. (hot
and neutral reversed)
Remove load.
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CONTACT
YOUR CONNECTION TO SAFETY
Solution
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