Installation Manual

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7. Information
7-1. Troubleshooting
WARNING!
Do not open or disassemble the SR series Inverter.
Attempting to service the unit may cause risk of electrical shock or fire.
Problems and Symptoms Possible Cause Solutions
No AC Power “Output”
a. LCD Panel Display “OLP
Shutdown”
Short circuit , wiring error.
over loading.
Check AC wiring for short
circuit .
Reduce load.
b. LCD Panel Display “OVP
Shutdown”
Over input voltage (OVP) Check input voltage.
Reduce input voltage.
c. LCD Panel Display “UVP
Shutdown”
Low input voltage. (UVP) Recharge battery.
Check connections and
cables.
d. LCD Panel Display “OTP
shutdown”
Thermal shutdown. (OTP) Improve ventilation.
Make sure ventilation, grilles /
slots of the inverter are not
obstructed. Lower ambient
temperature.
7-2. Warranty
We guarantee this product against defects in materials and workmanship for a
period of 36 months from the date of purchase and will repair or replace any
defective power inverters if you directly returned them to us with postage paid.
Please note that COTEK is only responsible for ensuring our products are
operational before delivering. This warranty will be considered void if the unit has
been misused, altered, or accidentally damaged. COTEK is not liable for anything
that occurs as a result of the user’s fault.