PowerWalker Inverter 1000 - Manual (Page 8)

Page 8
EN
Troubleshooting
Problem
Possible Causes Remedy
No LED display 1. Battery Weak
1. Re-charge battery
2. Battery defective 2. Battery replacement.
3. Power switch is not
pressed
3. Press and hold power
switch.
Mains normal but works in
PowerWalker
inverter
mode
1. AC Input missing 1. Check AC input
connection.
2. Input protector is effective 2. Reset the input protector.
Alarm buzzer beeps
continuously
Overload 1. Verify that the load
matches the capability
specified in the specs.
Back up time is shortened Overload
1. Remove some non-critical
load.
Battery voltage is too low. 2. Charge battery for 8 hours
or more.
If any abnormal situations occur that are not listed above, please call service
personnel immediately.
Appendix A
Models
Input/output cables (gauge
copper wire)
Battery cables
(gauge copper wire)
1000VA/12VDC At least 18AWG At least 8AWG
2000VA24VDC At least 18AWG At least 8AWG
Safety and EMC requirements
Safety Standard EN60950-1
EMC Standard EN62040-2