PROLiNK IPS5000 - Manual (Page 18)

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TROUBLESHOOTING
Problem Possible Causes Remedy
1. Battery Weak
(<35V for IPS5000R, <70V
for IPS5000L)
1. Re-charge battery
2. Battery defective (can't be
charged)
2. Battery replacement
3. Power switch is not
pressed
3. Press and hold power switch
No LCD display
4. Battery polarity reversed,
can’t start up the unit
4. Sent back for repair
1. AC Input missing 1. Check AC input connection
Mains normal but
works in inverter mode 2. Input protector is effective 2. Reset the input protector
1. Overload
1. Verify that the load matches the capability
specified in the specs
2. Output short circuit 2. Check wiring or remove abnormal load
3. Over temp 3. Move away barrier in front of airflow inlet
4. Over charger 4. Restart the unit
5. Over voltage
5. lower the DC input voltage under the high DC
input shut-down recovery (58.0±1.2Vdc for
IPS5000R, 116V+/-2.4Vdc for IPS5000L)
6. Fan fault
6. Check if something block the fan, if not replace
the fan
7. Back-EMF 7. Check the AC Input and output wire connection
Alarm buzzer beeps
continuously
8. DC voltage under the low
DC shut-down
8. Make sure mains is normal to recharger the
battery if not switch the power off until mains is
normal
1. Overload 1. Remove some non-critical load
2. Battery voltage is too low 2. Charge battery for 8 hours or more
Back up time is
shortened
3. Battery bank is too small 3. Increase battery bank capacity